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Finding the Fourth Proportional to 48,658.47, 72,504.01 and 43,352.72

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Solution

The fourth proportional to 48,658.47, 72,504.01 and 43,352.72 is: 64,598.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,658.47 : 72,504.01 = 43,352.72 : x
  2. Step 2: Convert to fraction form
    48,658.47/72,504.01 = 43,352.72/x
  3. Step 3: Cross multiply
    48,658.47x = 72,504.01 × 43,352.72
  4. Step 4: Simplify right side
    48,658.47x = 3,143,246,007.97
  5. Step 5: Solve for x
    x = 3,143,246,007.97/48,658.47
  6. Step 6: Final answer
    x = 64,598.12

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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.