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Finding the Fourth Proportional to 57,700.79, 79,626.80 and 32,205.69

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Solution

The fourth proportional to 57,700.79, 79,626.80 and 32,205.69 is: 44,443.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,700.79 : 79,626.80 = 32,205.69 : x
  2. Step 2: Convert to fraction form
    57,700.79/79,626.80 = 32,205.69/x
  3. Step 3: Cross multiply
    57,700.79x = 79,626.80 × 32,205.69
  4. Step 4: Simplify right side
    57,700.79x = 2,564,435,875.46
  5. Step 5: Solve for x
    x = 2,564,435,875.46/57,700.79
  6. Step 6: Final answer
    x = 44,443.69

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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.