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Finding the Fourth Proportional to 60,242.85, 83,133 and 33,387.86

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Solution

The fourth proportional to 60,242.85, 83,133 and 33,387.86 is: 46,074.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,242.85 : 83,133 = 33,387.86 : x
  2. Step 2: Convert to fraction form
    60,242.85/83,133 = 33,387.86/x
  3. Step 3: Cross multiply
    60,242.85x = 83,133 × 33,387.86
  4. Step 4: Simplify right side
    60,242.85x = 2,775,632,549.72
  5. Step 5: Solve for x
    x = 2,775,632,549.72/60,242.85
  6. Step 6: Final answer
    x = 46,074.06

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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.