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Finding the Fourth Proportional to 8,798.22, 12,141.19 and 5,259.34

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Solution

The fourth proportional to 8,798.22, 12,141.19 and 5,259.34 is: 7,257.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.22 : 12,141.19 = 5,259.34 : x
  2. Step 2: Convert to fraction form
    8,798.22/12,141.19 = 5,259.34/x
  3. Step 3: Cross multiply
    8,798.22x = 12,141.19 × 5,259.34
  4. Step 4: Simplify right side
    8,798.22x = 63,854,646.21
  5. Step 5: Solve for x
    x = 63,854,646.21/8,798.22
  6. Step 6: Final answer
    x = 7,257.68

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.