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Finding the Fourth Proportional to 15,160.81, 22,747.83 and 5,307.16

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Solution

The fourth proportional to 15,160.81, 22,747.83 and 5,307.16 is: 7,963.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,160.81 : 22,747.83 = 5,307.16 : x
  2. Step 2: Convert to fraction form
    15,160.81/22,747.83 = 5,307.16/x
  3. Step 3: Cross multiply
    15,160.81x = 22,747.83 × 5,307.16
  4. Step 4: Simplify right side
    15,160.81x = 120,726,373.46
  5. Step 5: Solve for x
    x = 120,726,373.46/15,160.81
  6. Step 6: Final answer
    x = 7,963.06

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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.