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Finding the Fourth Proportional to 62,714.16, 86,471.64 and 50,740.56

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Solution

The fourth proportional to 62,714.16, 86,471.64 and 50,740.56 is: 69,962.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,714.16 : 86,471.64 = 50,740.56 : x
  2. Step 2: Convert to fraction form
    62,714.16/86,471.64 = 50,740.56/x
  3. Step 3: Cross multiply
    62,714.16x = 86,471.64 × 50,740.56
  4. Step 4: Simplify right side
    62,714.16x = 4,387,619,437.72
  5. Step 5: Solve for x
    x = 4,387,619,437.72/62,714.16
  6. Step 6: Final answer
    x = 69,962.18

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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.