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Finding the Fourth Proportional to 57,445.70, 86,233.35 and 44,356.10

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Solution

The fourth proportional to 57,445.70, 86,233.35 and 44,356.10 is: 66,584.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,445.70 : 86,233.35 = 44,356.10 : x
  2. Step 2: Convert to fraction form
    57,445.70/86,233.35 = 44,356.10/x
  3. Step 3: Cross multiply
    57,445.70x = 86,233.35 × 44,356.10
  4. Step 4: Simplify right side
    57,445.70x = 3,824,975,095.94
  5. Step 5: Solve for x
    x = 3,824,975,095.94/57,445.70
  6. Step 6: Final answer
    x = 66,584.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.