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Finding the Fourth Proportional to 66,693.66, 92,065.59 and 41,555.58

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Solution

The fourth proportional to 66,693.66, 92,065.59 and 41,555.58 is: 57,364.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,693.66 : 92,065.59 = 41,555.58 : x
  2. Step 2: Convert to fraction form
    66,693.66/92,065.59 = 41,555.58/x
  3. Step 3: Cross multiply
    66,693.66x = 92,065.59 × 41,555.58
  4. Step 4: Simplify right side
    66,693.66x = 3,825,838,990.49
  5. Step 5: Solve for x
    x = 3,825,838,990.49/66,693.66
  6. Step 6: Final answer
    x = 57,364.36

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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.