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Finding the Fourth Proportional to 66,923.61, 92,353.15 and 36,708.39

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Solution

The fourth proportional to 66,923.61, 92,353.15 and 36,708.39 is: 50,656.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,923.61 : 92,353.15 = 36,708.39 : x
  2. Step 2: Convert to fraction form
    66,923.61/92,353.15 = 36,708.39/x
  3. Step 3: Cross multiply
    66,923.61x = 92,353.15 × 36,708.39
  4. Step 4: Simplify right side
    66,923.61x = 3,390,134,802.62
  5. Step 5: Solve for x
    x = 3,390,134,802.62/66,923.61
  6. Step 6: Final answer
    x = 50,656.78

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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.