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Finding the Fourth Proportional to 66,162.48, 91,304.19 and 37,868.10

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Solution

The fourth proportional to 66,162.48, 91,304.19 and 37,868.10 is: 52,257.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,162.48 : 91,304.19 = 37,868.10 : x
  2. Step 2: Convert to fraction form
    66,162.48/91,304.19 = 37,868.10/x
  3. Step 3: Cross multiply
    66,162.48x = 91,304.19 × 37,868.10
  4. Step 4: Simplify right side
    66,162.48x = 3,457,516,197.34
  5. Step 5: Solve for x
    x = 3,457,516,197.34/66,162.48
  6. Step 6: Final answer
    x = 52,257.96

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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.