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Finding the Fourth Proportional to 8,798.52, 12,134.88 and 6,814.44

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Solution

The fourth proportional to 8,798.52, 12,134.88 and 6,814.44 is: 9,398.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.52 : 12,134.88 = 6,814.44 : x
  2. Step 2: Convert to fraction form
    8,798.52/12,134.88 = 6,814.44/x
  3. Step 3: Cross multiply
    8,798.52x = 12,134.88 × 6,814.44
  4. Step 4: Simplify right side
    8,798.52x = 82,692,411.67
  5. Step 5: Solve for x
    x = 82,692,411.67/8,798.52
  6. Step 6: Final answer
    x = 9,398.45

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Half scale
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Double scale
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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.