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Finding the Fourth Proportional to 7,332.47, 10,992.52 and 4,985.90

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Solution

The fourth proportional to 7,332.47, 10,992.52 and 4,985.90 is: 7,474.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.47 : 10,992.52 = 4,985.90 : x
  2. Step 2: Convert to fraction form
    7,332.47/10,992.52 = 4,985.90/x
  3. Step 3: Cross multiply
    7,332.47x = 10,992.52 × 4,985.90
  4. Step 4: Simplify right side
    7,332.47x = 54,807,538.04
  5. Step 5: Solve for x
    x = 54,807,538.04/7,332.47
  6. Step 6: Final answer
    x = 7,474.64

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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.