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Finding the Fourth Proportional to 9,423.30, 14,125.65 and 5,265.30

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Solution

The fourth proportional to 9,423.30, 14,125.65 and 5,265.30 is: 7,892.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,423.30 : 14,125.65 = 5,265.30 : x
  2. Step 2: Convert to fraction form
    9,423.30/14,125.65 = 5,265.30/x
  3. Step 3: Cross multiply
    9,423.30x = 14,125.65 × 5,265.30
  4. Step 4: Simplify right side
    9,423.30x = 74,375,784.95
  5. Step 5: Solve for x
    x = 74,375,784.95/9,423.30
  6. Step 6: Final answer
    x = 7,892.75

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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.