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Finding the Fourth Proportional to 15,737.28, 23,603.28 and 4,643.76

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Solution

The fourth proportional to 15,737.28, 23,603.28 and 4,643.76 is: 6,964.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,737.28 : 23,603.28 = 4,643.76 : x
  2. Step 2: Convert to fraction form
    15,737.28/23,603.28 = 4,643.76/x
  3. Step 3: Cross multiply
    15,737.28x = 23,603.28 × 4,643.76
  4. Step 4: Simplify right side
    15,737.28x = 109,607,967.53
  5. Step 5: Solve for x
    x = 109,607,967.53/15,737.28
  6. Step 6: Final answer
    x = 6,964.86

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1.5x scale

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.