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Finding the Fourth Proportional to 29,034.58, 40,068.16 and 16,290.58

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Solution

The fourth proportional to 29,034.58, 40,068.16 and 16,290.58 is: 22,481.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,034.58 : 40,068.16 = 16,290.58 : x
  2. Step 2: Convert to fraction form
    29,034.58/40,068.16 = 16,290.58/x
  3. Step 3: Cross multiply
    29,034.58x = 40,068.16 × 16,290.58
  4. Step 4: Simplify right side
    29,034.58x = 652,733,565.93
  5. Step 5: Solve for x
    x = 652,733,565.93/29,034.58
  6. Step 6: Final answer
    x = 22,481.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.