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Finding the Fourth Proportional to 29,369, 40,510.78 and 17,423.88

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Solution

The fourth proportional to 29,369, 40,510.78 and 17,423.88 is: 24,034.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,369 : 40,510.78 = 17,423.88 : x
  2. Step 2: Convert to fraction form
    29,369/40,510.78 = 17,423.88/x
  3. Step 3: Cross multiply
    29,369x = 40,510.78 × 17,423.88
  4. Step 4: Simplify right side
    29,369x = 705,854,969.43
  5. Step 5: Solve for x
    x = 705,854,969.43/29,369
  6. Step 6: Final answer
    x = 24,034.01

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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.