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Finding the Fourth Proportional to 29,343.71, 40,490.43 and 16,598.63

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Solution

The fourth proportional to 29,343.71, 40,490.43 and 16,598.63 is: 22,903.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,343.71 : 40,490.43 = 16,598.63 : x
  2. Step 2: Convert to fraction form
    29,343.71/40,490.43 = 16,598.63/x
  3. Step 3: Cross multiply
    29,343.71x = 40,490.43 × 16,598.63
  4. Step 4: Simplify right side
    29,343.71x = 672,085,666.11
  5. Step 5: Solve for x
    x = 672,085,666.11/29,343.71
  6. Step 6: Final answer
    x = 22,903.91

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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.