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Finding the Fourth Proportional to 67,480.66, 101,221.35 and 17,557.66

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Solution

The fourth proportional to 67,480.66, 101,221.35 and 17,557.66 is: 26,336.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,480.66 : 101,221.35 = 17,557.66 : x
  2. Step 2: Convert to fraction form
    67,480.66/101,221.35 = 17,557.66/x
  3. Step 3: Cross multiply
    67,480.66x = 101,221.35 × 17,557.66
  4. Step 4: Simplify right side
    67,480.66x = 1,777,210,048.04
  5. Step 5: Solve for x
    x = 1,777,210,048.04/67,480.66
  6. Step 6: Final answer
    x = 26,336.58

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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.