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Finding the Fourth Proportional to 66,884.76, 92,301.48 and 45,663.48

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Solution

The fourth proportional to 66,884.76, 92,301.48 and 45,663.48 is: 63,015.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,884.76 : 92,301.48 = 45,663.48 : x
  2. Step 2: Convert to fraction form
    66,884.76/92,301.48 = 45,663.48/x
  3. Step 3: Cross multiply
    66,884.76x = 92,301.48 × 45,663.48
  4. Step 4: Simplify right side
    66,884.76x = 4,214,806,785.95
  5. Step 5: Solve for x
    x = 4,214,806,785.95/66,884.76
  6. Step 6: Final answer
    x = 63,015.95

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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.