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Finding the Fourth Proportional to 83,956.40, 125,905.20 and 24,776.40

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Solution

The fourth proportional to 83,956.40, 125,905.20 and 24,776.40 is: 37,155.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,956.40 : 125,905.20 = 24,776.40 : x
  2. Step 2: Convert to fraction form
    83,956.40/125,905.20 = 24,776.40/x
  3. Step 3: Cross multiply
    83,956.40x = 125,905.20 × 24,776.40
  4. Step 4: Simplify right side
    83,956.40x = 3,119,477,597.28
  5. Step 5: Solve for x
    x = 3,119,477,597.28/83,956.40
  6. Step 6: Final answer
    x = 37,155.92

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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.