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Finding the Fourth Proportional to 61,802.94, 85,281.75 and 37,930.62

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Solution

The fourth proportional to 61,802.94, 85,281.75 and 37,930.62 is: 52,340.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,802.94 : 85,281.75 = 37,930.62 : x
  2. Step 2: Convert to fraction form
    61,802.94/85,281.75 = 37,930.62/x
  3. Step 3: Cross multiply
    61,802.94x = 85,281.75 × 37,930.62
  4. Step 4: Simplify right side
    61,802.94x = 3,234,789,652.19
  5. Step 5: Solve for x
    x = 3,234,789,652.19/61,802.94
  6. Step 6: Final answer
    x = 52,340.38

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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.