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Finding the Fourth Proportional to 29,525.65, 40,746.18 and 18,202.63

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Solution

The fourth proportional to 29,525.65, 40,746.18 and 18,202.63 is: 25,120.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,525.65 : 40,746.18 = 18,202.63 : x
  2. Step 2: Convert to fraction form
    29,525.65/40,746.18 = 18,202.63/x
  3. Step 3: Cross multiply
    29,525.65x = 40,746.18 × 18,202.63
  4. Step 4: Simplify right side
    29,525.65x = 741,687,592.95
  5. Step 5: Solve for x
    x = 741,687,592.95/29,525.65
  6. Step 6: Final answer
    x = 25,120.11

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Double scale
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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.