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Finding the Fourth Proportional to 71,010.77, 98,000.71 and 40,801.91

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Solution

The fourth proportional to 71,010.77, 98,000.71 and 40,801.91 is: 56,310.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,010.77 : 98,000.71 = 40,801.91 : x
  2. Step 2: Convert to fraction form
    71,010.77/98,000.71 = 40,801.91/x
  3. Step 3: Cross multiply
    71,010.77x = 98,000.71 × 40,801.91
  4. Step 4: Simplify right side
    71,010.77x = 3,998,616,292.35
  5. Step 5: Solve for x
    x = 3,998,616,292.35/71,010.77
  6. Step 6: Final answer
    x = 56,310.00

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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.