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Finding the Fourth Proportional to 66,686.06, 92,023.04 and 36,465.38

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Solution

The fourth proportional to 66,686.06, 92,023.04 and 36,465.38 is: 50,320.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,686.06 : 92,023.04 = 36,465.38 : x
  2. Step 2: Convert to fraction form
    66,686.06/92,023.04 = 36,465.38/x
  3. Step 3: Cross multiply
    66,686.06x = 92,023.04 × 36,465.38
  4. Step 4: Simplify right side
    66,686.06x = 3,355,655,122.36
  5. Step 5: Solve for x
    x = 3,355,655,122.36/66,686.06
  6. Step 6: Final answer
    x = 50,320.19

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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.