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Finding the Fourth Proportional to 44,742.42, 67,053.15 and 19,778.22

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Solution

The fourth proportional to 44,742.42, 67,053.15 and 19,778.22 is: 29,640.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,742.42 : 67,053.15 = 19,778.22 : x
  2. Step 2: Convert to fraction form
    44,742.42/67,053.15 = 19,778.22/x
  3. Step 3: Cross multiply
    44,742.42x = 67,053.15 × 19,778.22
  4. Step 4: Simplify right side
    44,742.42x = 1,326,191,952.39
  5. Step 5: Solve for x
    x = 1,326,191,952.39/44,742.42
  6. Step 6: Final answer
    x = 29,640.60

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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.