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Finding the Fourth Proportional to 45,663.92, 63,035.60 and 27,764.64

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Solution

The fourth proportional to 45,663.92, 63,035.60 and 27,764.64 is: 38,326.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,663.92 : 63,035.60 = 27,764.64 : x
  2. Step 2: Convert to fraction form
    45,663.92/63,035.60 = 27,764.64/x
  3. Step 3: Cross multiply
    45,663.92x = 63,035.60 × 27,764.64
  4. Step 4: Simplify right side
    45,663.92x = 1,750,160,741.18
  5. Step 5: Solve for x
    x = 1,750,160,741.18/45,663.92
  6. Step 6: Final answer
    x = 38,326.99

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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.