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Finding the Fourth Proportional to 64,295.79, 88,713.84 and 38,806.29

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Solution

The fourth proportional to 64,295.79, 88,713.84 and 38,806.29 is: 53,544.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,295.79 : 88,713.84 = 38,806.29 : x
  2. Step 2: Convert to fraction form
    64,295.79/88,713.84 = 38,806.29/x
  3. Step 3: Cross multiply
    64,295.79x = 88,713.84 × 38,806.29
  4. Step 4: Simplify right side
    64,295.79x = 3,442,655,002.05
  5. Step 5: Solve for x
    x = 3,442,655,002.05/64,295.79
  6. Step 6: Final answer
    x = 53,544.02

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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.