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Finding the Fourth Proportional to 23,363.68, 35,045.88 and 7,781.32

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Solution

The fourth proportional to 23,363.68, 35,045.88 and 7,781.32 is: 11,672.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,363.68 : 35,045.88 = 7,781.32 : x
  2. Step 2: Convert to fraction form
    23,363.68/35,045.88 = 7,781.32/x
  3. Step 3: Cross multiply
    23,363.68x = 35,045.88 × 7,781.32
  4. Step 4: Simplify right side
    23,363.68x = 272,703,206.96
  5. Step 5: Solve for x
    x = 272,703,206.96/23,363.68
  6. Step 6: Final answer
    x = 11,672.10

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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.