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Finding the Fourth Proportional to 29,602.64, 40,851.90 and 16,173.68

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Solution

The fourth proportional to 29,602.64, 40,851.90 and 16,173.68 is: 22,319.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,602.64 : 40,851.90 = 16,173.68 : x
  2. Step 2: Convert to fraction form
    29,602.64/40,851.90 = 16,173.68/x
  3. Step 3: Cross multiply
    29,602.64x = 40,851.90 × 16,173.68
  4. Step 4: Simplify right side
    29,602.64x = 660,725,557.99
  5. Step 5: Solve for x
    x = 660,725,557.99/29,602.64
  6. Step 6: Final answer
    x = 22,319.82

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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.