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Finding the Fourth Proportional to 66,527.76, 91,764.18 and 48,348.12

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Solution

The fourth proportional to 66,527.76, 91,764.18 and 48,348.12 is: 66,688.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,527.76 : 91,764.18 = 48,348.12 : x
  2. Step 2: Convert to fraction form
    66,527.76/91,764.18 = 48,348.12/x
  3. Step 3: Cross multiply
    66,527.76x = 91,764.18 × 48,348.12
  4. Step 4: Simplify right side
    66,527.76x = 4,436,625,586.34
  5. Step 5: Solve for x
    x = 4,436,625,586.34/66,527.76
  6. Step 6: Final answer
    x = 66,688.34

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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.