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Finding the Fourth Proportional to 60,451.98, 83,418.03 and 55,993.74

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Solution

The fourth proportional to 60,451.98, 83,418.03 and 55,993.74 is: 77,266.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,451.98 : 83,418.03 = 55,993.74 : x
  2. Step 2: Convert to fraction form
    60,451.98/83,418.03 = 55,993.74/x
  3. Step 3: Cross multiply
    60,451.98x = 83,418.03 × 55,993.74
  4. Step 4: Simplify right side
    60,451.98x = 4,670,887,483.13
  5. Step 5: Solve for x
    x = 4,670,887,483.13/60,451.98
  6. Step 6: Final answer
    x = 77,266.08

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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.