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Finding the Fourth Proportional to 64,133.92, 95,685.80 and 57,498.40

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Solution

The fourth proportional to 64,133.92, 95,685.80 and 57,498.40 is: 85,785.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,133.92 : 95,685.80 = 57,498.40 : x
  2. Step 2: Convert to fraction form
    64,133.92/95,685.80 = 57,498.40/x
  3. Step 3: Cross multiply
    64,133.92x = 95,685.80 × 57,498.40
  4. Step 4: Simplify right side
    64,133.92x = 5,501,780,402.72
  5. Step 5: Solve for x
    x = 5,501,780,402.72/64,133.92
  6. Step 6: Final answer
    x = 85,785.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.