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Finding the Fourth Proportional to 40,053.40, 60,079.42 and 16,355.72

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Solution

The fourth proportional to 40,053.40, 60,079.42 and 16,355.72 is: 24,533.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,053.40 : 60,079.42 = 16,355.72 : x
  2. Step 2: Convert to fraction form
    40,053.40/60,079.42 = 16,355.72/x
  3. Step 3: Cross multiply
    40,053.40x = 60,079.42 × 16,355.72
  4. Step 4: Simplify right side
    40,053.40x = 982,642,171.28
  5. Step 5: Solve for x
    x = 982,642,171.28/40,053.40
  6. Step 6: Final answer
    x = 24,533.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.