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Finding the Fourth Proportional to 66,901.55, 92,323.44 and 36,686.79

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Solution

The fourth proportional to 66,901.55, 92,323.44 and 36,686.79 is: 50,627.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,901.55 : 92,323.44 = 36,686.79 : x
  2. Step 2: Convert to fraction form
    66,901.55/92,323.44 = 36,686.79/x
  3. Step 3: Cross multiply
    66,901.55x = 92,323.44 × 36,686.79
  4. Step 4: Simplify right side
    66,901.55x = 3,387,050,655.36
  5. Step 5: Solve for x
    x = 3,387,050,655.36/66,901.55
  6. Step 6: Final answer
    x = 50,627.39

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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.