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Finding the Fourth Proportional to 29,393.60, 40,564.57 and 18,063.57

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Solution

The fourth proportional to 29,393.60, 40,564.57 and 18,063.57 is: 24,928.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,393.60 : 40,564.57 = 18,063.57 : x
  2. Step 2: Convert to fraction form
    29,393.60/40,564.57 = 18,063.57/x
  3. Step 3: Cross multiply
    29,393.60x = 40,564.57 × 18,063.57
  4. Step 4: Simplify right side
    29,393.60x = 732,740,949.71
  5. Step 5: Solve for x
    x = 732,740,949.71/29,393.60
  6. Step 6: Final answer
    x = 24,928.59

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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.