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Finding the Fourth Proportional to 25,960, 38,957.28 and 9,544

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Solution

The fourth proportional to 25,960, 38,957.28 and 9,544 is: 14,322.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,960 : 38,957.28 = 9,544 : x
  2. Step 2: Convert to fraction form
    25,960/38,957.28 = 9,544/x
  3. Step 3: Cross multiply
    25,960x = 38,957.28 × 9,544
  4. Step 4: Simplify right side
    25,960x = 371,808,280.32
  5. Step 5: Solve for x
    x = 371,808,280.32/25,960
  6. Step 6: Final answer
    x = 14,322.35

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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.