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Finding the Fourth Proportional to 48,602.58, 72,901.80 and 15,346.50

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Solution

The fourth proportional to 48,602.58, 72,901.80 and 15,346.50 is: 23,019.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,602.58 : 72,901.80 = 15,346.50 : x
  2. Step 2: Convert to fraction form
    48,602.58/72,901.80 = 15,346.50/x
  3. Step 3: Cross multiply
    48,602.58x = 72,901.80 × 15,346.50
  4. Step 4: Simplify right side
    48,602.58x = 1,118,787,473.70
  5. Step 5: Solve for x
    x = 1,118,787,473.70/48,602.58
  6. Step 6: Final answer
    x = 23,019.10

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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.