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Finding the Fourth Proportional to 29,443.34, 40,632 and 16,014.74

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Solution

The fourth proportional to 29,443.34, 40,632 and 16,014.74 is: 22,100.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,443.34 : 40,632 = 16,014.74 : x
  2. Step 2: Convert to fraction form
    29,443.34/40,632 = 16,014.74/x
  3. Step 3: Cross multiply
    29,443.34x = 40,632 × 16,014.74
  4. Step 4: Simplify right side
    29,443.34x = 650,710,915.68
  5. Step 5: Solve for x
    x = 650,710,915.68/29,443.34
  6. Step 6: Final answer
    x = 22,100.44

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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.