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Finding the Fourth Proportional to 21,651.29, 32,478.15 and 6,070.13

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Solution

The fourth proportional to 21,651.29, 32,478.15 and 6,070.13 is: 9,105.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,651.29 : 32,478.15 = 6,070.13 : x
  2. Step 2: Convert to fraction form
    21,651.29/32,478.15 = 6,070.13/x
  3. Step 3: Cross multiply
    21,651.29x = 32,478.15 × 6,070.13
  4. Step 4: Simplify right side
    21,651.29x = 197,146,430.27
  5. Step 5: Solve for x
    x = 197,146,430.27/21,651.29
  6. Step 6: Final answer
    x = 9,105.53

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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.