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Finding the Fourth Proportional to 48,599.88, 72,909.54 and 15,325.08

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Solution

The fourth proportional to 48,599.88, 72,909.54 and 15,325.08 is: 22,990.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,599.88 : 72,909.54 = 15,325.08 : x
  2. Step 2: Convert to fraction form
    48,599.88/72,909.54 = 15,325.08/x
  3. Step 3: Cross multiply
    48,599.88x = 72,909.54 × 15,325.08
  4. Step 4: Simplify right side
    48,599.88x = 1,117,344,533.26
  5. Step 5: Solve for x
    x = 1,117,344,533.26/48,599.88
  6. Step 6: Final answer
    x = 22,990.69

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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.