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Finding the Fourth Proportional to 60,379.97, 83,347.79 and 45,316.29

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Solution

The fourth proportional to 60,379.97, 83,347.79 and 45,316.29 is: 62,554.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,379.97 : 83,347.79 = 45,316.29 : x
  2. Step 2: Convert to fraction form
    60,379.97/83,347.79 = 45,316.29/x
  3. Step 3: Cross multiply
    60,379.97x = 83,347.79 × 45,316.29
  4. Step 4: Simplify right side
    60,379.97x = 3,777,012,708.47
  5. Step 5: Solve for x
    x = 3,777,012,708.47/60,379.97
  6. Step 6: Final answer
    x = 62,554.07

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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.