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Finding the Fourth Proportional to 25,296.87, 34,909.65 and 14,118.87

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Solution

The fourth proportional to 25,296.87, 34,909.65 and 14,118.87 is: 19,484.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,296.87 : 34,909.65 = 14,118.87 : x
  2. Step 2: Convert to fraction form
    25,296.87/34,909.65 = 14,118.87/x
  3. Step 3: Cross multiply
    25,296.87x = 34,909.65 × 14,118.87
  4. Step 4: Simplify right side
    25,296.87x = 492,884,810.10
  5. Step 5: Solve for x
    x = 492,884,810.10/25,296.87
  6. Step 6: Final answer
    x = 19,484.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.