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Finding the Fourth Proportional to 29,054.63, 43,582.55 and 8,278.13

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Solution

The fourth proportional to 29,054.63, 43,582.55 and 8,278.13 is: 12,417.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,054.63 : 43,582.55 = 8,278.13 : x
  2. Step 2: Convert to fraction form
    29,054.63/43,582.55 = 8,278.13/x
  3. Step 3: Cross multiply
    29,054.63x = 43,582.55 × 8,278.13
  4. Step 4: Simplify right side
    29,054.63x = 360,781,755.33
  5. Step 5: Solve for x
    x = 360,781,755.33/29,054.63
  6. Step 6: Final answer
    x = 12,417.36

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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.