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Finding the Fourth Proportional to 52,555.62, 72,533 and 29,898.30

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Solution

The fourth proportional to 52,555.62, 72,533 and 29,898.30 is: 41,263.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,555.62 : 72,533 = 29,898.30 : x
  2. Step 2: Convert to fraction form
    52,555.62/72,533 = 29,898.30/x
  3. Step 3: Cross multiply
    52,555.62x = 72,533 × 29,898.30
  4. Step 4: Simplify right side
    52,555.62x = 2,168,613,393.90
  5. Step 5: Solve for x
    x = 2,168,613,393.90/52,555.62
  6. Step 6: Final answer
    x = 41,263.21

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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.