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Finding the Fourth Proportional to 5,564.36, 8,292.98 and 5,555.72

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Solution

The fourth proportional to 5,564.36, 8,292.98 and 5,555.72 is: 8,280.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,564.36 : 8,292.98 = 5,555.72 : x
  2. Step 2: Convert to fraction form
    5,564.36/8,292.98 = 5,555.72/x
  3. Step 3: Cross multiply
    5,564.36x = 8,292.98 × 5,555.72
  4. Step 4: Simplify right side
    5,564.36x = 46,073,474.85
  5. Step 5: Solve for x
    x = 46,073,474.85/5,564.36
  6. Step 6: Final answer
    x = 8,280.10

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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 (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.