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Finding the Fourth Proportional to 52,710.60, 72,760.50 and 31,482.12

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Solution

The fourth proportional to 52,710.60, 72,760.50 and 31,482.12 is: 43,457.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,710.60 : 72,760.50 = 31,482.12 : x
  2. Step 2: Convert to fraction form
    52,710.60/72,760.50 = 31,482.12/x
  3. Step 3: Cross multiply
    52,710.60x = 72,760.50 × 31,482.12
  4. Step 4: Simplify right side
    52,710.60x = 2,290,654,792.26
  5. Step 5: Solve for x
    x = 2,290,654,792.26/52,710.60
  6. Step 6: Final answer
    x = 43,457.19

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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.