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Finding the Fourth Proportional to 22,710.03, 34,065.16 and 6,915.20

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Solution

The fourth proportional to 22,710.03, 34,065.16 and 6,915.20 is: 10,372.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,710.03 : 34,065.16 = 6,915.20 : x
  2. Step 2: Convert to fraction form
    22,710.03/34,065.16 = 6,915.20/x
  3. Step 3: Cross multiply
    22,710.03x = 34,065.16 × 6,915.20
  4. Step 4: Simplify right side
    22,710.03x = 235,567,394.43
  5. Step 5: Solve for x
    x = 235,567,394.43/22,710.03
  6. Step 6: Final answer
    x = 10,372.84

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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.