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Finding the Fourth Proportional to 25,045.84, 34,560.84 and 14,972.28

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Solution

The fourth proportional to 25,045.84, 34,560.84 and 14,972.28 is: 20,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,045.84 : 34,560.84 = 14,972.28 : x
  2. Step 2: Convert to fraction form
    25,045.84/34,560.84 = 14,972.28/x
  3. Step 3: Cross multiply
    25,045.84x = 34,560.84 × 14,972.28
  4. Step 4: Simplify right side
    25,045.84x = 517,454,573.52
  5. Step 5: Solve for x
    x = 517,454,573.52/25,045.84
  6. Step 6: Final answer
    x = 20,660.30

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1.5x scale

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.