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Finding the Fourth Proportional to 29,477.17, 40,672.18 and 17,538.18

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Solution

The fourth proportional to 29,477.17, 40,672.18 and 17,538.18 is: 24,198.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,477.17 : 40,672.18 = 17,538.18 : x
  2. Step 2: Convert to fraction form
    29,477.17/40,672.18 = 17,538.18/x
  3. Step 3: Cross multiply
    29,477.17x = 40,672.18 × 17,538.18
  4. Step 4: Simplify right side
    29,477.17x = 713,316,013.83
  5. Step 5: Solve for x
    x = 713,316,013.83/29,477.17
  6. Step 6: Final answer
    x = 24,198.93

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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.