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Finding the Fourth Proportional to 60,726.70, 91,284.45 and 43,317.10

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Solution

The fourth proportional to 60,726.70, 91,284.45 and 43,317.10 is: 65,114.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,726.70 : 91,284.45 = 43,317.10 : x
  2. Step 2: Convert to fraction form
    60,726.70/91,284.45 = 43,317.10/x
  3. Step 3: Cross multiply
    60,726.70x = 91,284.45 × 43,317.10
  4. Step 4: Simplify right side
    60,726.70x = 3,954,177,649.10
  5. Step 5: Solve for x
    x = 3,954,177,649.10/60,726.70
  6. Step 6: Final answer
    x = 65,114.32

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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.