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Finding the Fourth Proportional to 22,762.08, 34,160.40 and 8,912.16

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Solution

The fourth proportional to 22,762.08, 34,160.40 and 8,912.16 is: 13,375.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,762.08 : 34,160.40 = 8,912.16 : x
  2. Step 2: Convert to fraction form
    22,762.08/34,160.40 = 8,912.16/x
  3. Step 3: Cross multiply
    22,762.08x = 34,160.40 × 8,912.16
  4. Step 4: Simplify right side
    22,762.08x = 304,442,950.46
  5. Step 5: Solve for x
    x = 304,442,950.46/22,762.08
  6. Step 6: Final answer
    x = 13,375.01

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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.