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Finding the Fourth Proportional to 35,967.90, 53,951.76 and 9,672.64

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Solution

The fourth proportional to 35,967.90, 53,951.76 and 9,672.64 is: 14,508.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,967.90 : 53,951.76 = 9,672.64 : x
  2. Step 2: Convert to fraction form
    35,967.90/53,951.76 = 9,672.64/x
  3. Step 3: Cross multiply
    35,967.90x = 53,951.76 × 9,672.64
  4. Step 4: Simplify right side
    35,967.90x = 521,855,951.85
  5. Step 5: Solve for x
    x = 521,855,951.85/35,967.90
  6. Step 6: Final answer
    x = 14,508.94

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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.