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Finding the Fourth Proportional to 66,693.40, 92,044.83 and 38,404.60

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Solution

The fourth proportional to 66,693.40, 92,044.83 and 38,404.60 is: 53,002.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,693.40 : 92,044.83 = 38,404.60 : x
  2. Step 2: Convert to fraction form
    66,693.40/92,044.83 = 38,404.60/x
  3. Step 3: Cross multiply
    66,693.40x = 92,044.83 × 38,404.60
  4. Step 4: Simplify right side
    66,693.40x = 3,534,944,878.22
  5. Step 5: Solve for x
    x = 3,534,944,878.22/66,693.40
  6. Step 6: Final answer
    x = 53,002.92

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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.