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Finding the Fourth Proportional to 61,829.70, 85,326.52 and 34,970.92

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Solution

The fourth proportional to 61,829.70, 85,326.52 and 34,970.92 is: 48,260.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,829.70 : 85,326.52 = 34,970.92 : x
  2. Step 2: Convert to fraction form
    61,829.70/85,326.52 = 34,970.92/x
  3. Step 3: Cross multiply
    61,829.70x = 85,326.52 × 34,970.92
  4. Step 4: Simplify right side
    61,829.70x = 2,983,946,904.80
  5. Step 5: Solve for x
    x = 2,983,946,904.80/61,829.70
  6. Step 6: Final answer
    x = 48,260.74

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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.