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Finding the Fourth Proportional to 25,264.40, 37,927.80 and 15,904.40

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Solution

The fourth proportional to 25,264.40, 37,927.80 and 15,904.40 is: 23,876.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,264.40 : 37,927.80 = 15,904.40 : x
  2. Step 2: Convert to fraction form
    25,264.40/37,927.80 = 15,904.40/x
  3. Step 3: Cross multiply
    25,264.40x = 37,927.80 × 15,904.40
  4. Step 4: Simplify right side
    25,264.40x = 603,218,902.32
  5. Step 5: Solve for x
    x = 603,218,902.32/25,264.40
  6. Step 6: Final answer
    x = 23,876.24

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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.