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Finding the Fourth Proportional to 66,818, 92,209.02 and 37,010

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Solution

The fourth proportional to 66,818, 92,209.02 and 37,010 is: 51,073.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,818 : 92,209.02 = 37,010 : x
  2. Step 2: Convert to fraction form
    66,818/92,209.02 = 37,010/x
  3. Step 3: Cross multiply
    66,818x = 92,209.02 × 37,010
  4. Step 4: Simplify right side
    66,818x = 3,412,655,830.20
  5. Step 5: Solve for x
    x = 3,412,655,830.20/66,818
  6. Step 6: Final answer
    x = 51,073.90

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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.