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Finding the Fourth Proportional to 60,242.47, 83,134.49 and 33,019.21

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Solution

The fourth proportional to 60,242.47, 83,134.49 and 33,019.21 is: 45,566.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,242.47 : 83,134.49 = 33,019.21 : x
  2. Step 2: Convert to fraction form
    60,242.47/83,134.49 = 33,019.21/x
  3. Step 3: Cross multiply
    60,242.47x = 83,134.49 × 33,019.21
  4. Step 4: Simplify right side
    60,242.47x = 2,745,035,122.37
  5. Step 5: Solve for x
    x = 2,745,035,122.37/60,242.47
  6. Step 6: Final answer
    x = 45,566.45

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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.