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Finding the Fourth Proportional to 29,297.84, 40,432.87 and 17,358.64

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Solution

The fourth proportional to 29,297.84, 40,432.87 and 17,358.64 is: 23,956.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,297.84 : 40,432.87 = 17,358.64 : x
  2. Step 2: Convert to fraction form
    29,297.84/40,432.87 = 17,358.64/x
  3. Step 3: Cross multiply
    29,297.84x = 40,432.87 × 17,358.64
  4. Step 4: Simplify right side
    29,297.84x = 701,859,555.11
  5. Step 5: Solve for x
    x = 701,859,555.11/29,297.84
  6. Step 6: Final answer
    x = 23,956.02

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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.