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Finding the Fourth Proportional to 45,672.50, 63,030.48 and 27,764.60

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Solution

The fourth proportional to 45,672.50, 63,030.48 and 27,764.60 is: 38,316.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,672.50 : 63,030.48 = 27,764.60 : x
  2. Step 2: Convert to fraction form
    45,672.50/63,030.48 = 27,764.60/x
  3. Step 3: Cross multiply
    45,672.50x = 63,030.48 × 27,764.60
  4. Step 4: Simplify right side
    45,672.50x = 1,750,016,065.01
  5. Step 5: Solve for x
    x = 1,750,016,065.01/45,672.50
  6. Step 6: Final answer
    x = 38,316.63

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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.