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Finding the Fourth Proportional to 45,969.68, 63,445.03 and 28,074.98

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Solution

The fourth proportional to 45,969.68, 63,445.03 and 28,074.98 is: 38,747.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,969.68 : 63,445.03 = 28,074.98 : x
  2. Step 2: Convert to fraction form
    45,969.68/63,445.03 = 28,074.98/x
  3. Step 3: Cross multiply
    45,969.68x = 63,445.03 × 28,074.98
  4. Step 4: Simplify right side
    45,969.68x = 1,781,217,948.35
  5. Step 5: Solve for x
    x = 1,781,217,948.35/45,969.68
  6. Step 6: Final answer
    x = 38,747.67

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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.