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Finding the Fourth Proportional to 28,332.04, 42,498 and 13,495.96

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Solution

The fourth proportional to 28,332.04, 42,498 and 13,495.96 is: 20,243.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,332.04 : 42,498 = 13,495.96 : x
  2. Step 2: Convert to fraction form
    28,332.04/42,498 = 13,495.96/x
  3. Step 3: Cross multiply
    28,332.04x = 42,498 × 13,495.96
  4. Step 4: Simplify right side
    28,332.04x = 573,551,308.08
  5. Step 5: Solve for x
    x = 573,551,308.08/28,332.04
  6. Step 6: Final answer
    x = 20,243.91

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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.