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Finding the Fourth Proportional to 25,368.60, 38,069.10 and 14,838.60

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Solution

The fourth proportional to 25,368.60, 38,069.10 and 14,838.60 is: 22,267.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,368.60 : 38,069.10 = 14,838.60 : x
  2. Step 2: Convert to fraction form
    25,368.60/38,069.10 = 14,838.60/x
  3. Step 3: Cross multiply
    25,368.60x = 38,069.10 × 14,838.60
  4. Step 4: Simplify right side
    25,368.60x = 564,892,147.26
  5. Step 5: Solve for x
    x = 564,892,147.26/25,368.60
  6. Step 6: Final answer
    x = 22,267.38

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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.