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Finding the Fourth Proportional to 60,518.72, 83,520 and 33,663.74

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Solution

The fourth proportional to 60,518.72, 83,520 and 33,663.74 is: 46,458.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,518.72 : 83,520 = 33,663.74 : x
  2. Step 2: Convert to fraction form
    60,518.72/83,520 = 33,663.74/x
  3. Step 3: Cross multiply
    60,518.72x = 83,520 × 33,663.74
  4. Step 4: Simplify right side
    60,518.72x = 2,811,595,147.20
  5. Step 5: Solve for x
    x = 2,811,595,147.20/60,518.72
  6. Step 6: Final answer
    x = 46,458.27

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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.