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Finding the Fourth Proportional to 22,975.30, 34,459.62 and 7,390.90

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Solution

The fourth proportional to 22,975.30, 34,459.62 and 7,390.90 is: 11,085.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,975.30 : 34,459.62 = 7,390.90 : x
  2. Step 2: Convert to fraction form
    22,975.30/34,459.62 = 7,390.90/x
  3. Step 3: Cross multiply
    22,975.30x = 34,459.62 × 7,390.90
  4. Step 4: Simplify right side
    22,975.30x = 254,687,605.46
  5. Step 5: Solve for x
    x = 254,687,605.46/22,975.30
  6. Step 6: Final answer
    x = 11,085.28

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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.