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Finding the Fourth Proportional to 29,490.35, 40,690.28 and 17,551.35

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Solution

The fourth proportional to 29,490.35, 40,690.28 and 17,551.35 is: 24,217.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,490.35 : 40,690.28 = 17,551.35 : x
  2. Step 2: Convert to fraction form
    29,490.35/40,690.28 = 17,551.35/x
  3. Step 3: Cross multiply
    29,490.35x = 40,690.28 × 17,551.35
  4. Step 4: Simplify right side
    29,490.35x = 714,169,389.76
  5. Step 5: Solve for x
    x = 714,169,389.76/29,490.35
  6. Step 6: Final answer
    x = 24,217.06

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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.