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Finding the Fourth Proportional to 64,551.26, 89,055.92 and 47,595.80

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Solution

The fourth proportional to 64,551.26, 89,055.92 and 47,595.80 is: 65,663.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,551.26 : 89,055.92 = 47,595.80 : x
  2. Step 2: Convert to fraction form
    64,551.26/89,055.92 = 47,595.80/x
  3. Step 3: Cross multiply
    64,551.26x = 89,055.92 × 47,595.80
  4. Step 4: Simplify right side
    64,551.26x = 4,238,687,519.16
  5. Step 5: Solve for x
    x = 4,238,687,519.16/64,551.26
  6. Step 6: Final answer
    x = 65,663.90

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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.