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Finding the Fourth Proportional to 29,066.63, 43,600.35 and 8,290.13

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Solution

The fourth proportional to 29,066.63, 43,600.35 and 8,290.13 is: 12,435.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,066.63 : 43,600.35 = 8,290.13 : x
  2. Step 2: Convert to fraction form
    29,066.63/43,600.35 = 8,290.13/x
  3. Step 3: Cross multiply
    29,066.63x = 43,600.35 × 8,290.13
  4. Step 4: Simplify right side
    29,066.63x = 361,452,569.55
  5. Step 5: Solve for x
    x = 361,452,569.55/29,066.63
  6. Step 6: Final answer
    x = 12,435.31

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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.