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Finding the Fourth Proportional to 60,956.96, 84,126.60 and 38,313

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Solution

The fourth proportional to 60,956.96, 84,126.60 and 38,313 is: 52,875.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,956.96 : 84,126.60 = 38,313 : x
  2. Step 2: Convert to fraction form
    60,956.96/84,126.60 = 38,313/x
  3. Step 3: Cross multiply
    60,956.96x = 84,126.60 × 38,313
  4. Step 4: Simplify right side
    60,956.96x = 3,223,142,425.80
  5. Step 5: Solve for x
    x = 3,223,142,425.80/60,956.96
  6. Step 6: Final answer
    x = 52,875.71

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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.