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Finding the Fourth Proportional to 29,265.84, 40,389.84 and 16,690.32

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Solution

The fourth proportional to 29,265.84, 40,389.84 and 16,690.32 is: 23,034.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,265.84 : 40,389.84 = 16,690.32 : x
  2. Step 2: Convert to fraction form
    29,265.84/40,389.84 = 16,690.32/x
  3. Step 3: Cross multiply
    29,265.84x = 40,389.84 × 16,690.32
  4. Step 4: Simplify right side
    29,265.84x = 674,119,354.35
  5. Step 5: Solve for x
    x = 674,119,354.35/29,265.84
  6. Step 6: Final answer
    x = 23,034.34

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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.