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Finding the Fourth Proportional to 57,585.34, 79,472.64 and 32,439.70

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Solution

The fourth proportional to 57,585.34, 79,472.64 and 32,439.70 is: 44,769.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,585.34 : 79,472.64 = 32,439.70 : x
  2. Step 2: Convert to fraction form
    57,585.34/79,472.64 = 32,439.70/x
  3. Step 3: Cross multiply
    57,585.34x = 79,472.64 × 32,439.70
  4. Step 4: Simplify right side
    57,585.34x = 2,578,068,599.81
  5. Step 5: Solve for x
    x = 2,578,068,599.81/57,585.34
  6. Step 6: Final answer
    x = 44,769.53

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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.