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Finding the Fourth Proportional to 48,059.78, 72,089.67 and 13,002.17

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Solution

The fourth proportional to 48,059.78, 72,089.67 and 13,002.17 is: 19,503.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,059.78 : 72,089.67 = 13,002.17 : x
  2. Step 2: Convert to fraction form
    48,059.78/72,089.67 = 13,002.17/x
  3. Step 3: Cross multiply
    48,059.78x = 72,089.67 × 13,002.17
  4. Step 4: Simplify right side
    48,059.78x = 937,322,201.83
  5. Step 5: Solve for x
    x = 937,322,201.83/48,059.78
  6. Step 6: Final answer
    x = 19,503.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.