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Finding the Fourth Proportional to 52,407.84, 72,250.32 and 38,261.28

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Solution

The fourth proportional to 52,407.84, 72,250.32 and 38,261.28 is: 52,747.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,407.84 : 72,250.32 = 38,261.28 : x
  2. Step 2: Convert to fraction form
    52,407.84/72,250.32 = 38,261.28/x
  3. Step 3: Cross multiply
    52,407.84x = 72,250.32 × 38,261.28
  4. Step 4: Simplify right side
    52,407.84x = 2,764,389,723.61
  5. Step 5: Solve for x
    x = 2,764,389,723.61/52,407.84
  6. Step 6: Final answer
    x = 52,747.64

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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.