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Finding the Fourth Proportional to 71,010.81, 98,001.77 and 53,074.58

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Solution

The fourth proportional to 71,010.81, 98,001.77 and 53,074.58 is: 73,248.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,010.81 : 98,001.77 = 53,074.58 : x
  2. Step 2: Convert to fraction form
    71,010.81/98,001.77 = 53,074.58/x
  3. Step 3: Cross multiply
    71,010.81x = 98,001.77 × 53,074.58
  4. Step 4: Simplify right side
    71,010.81x = 5,201,402,026.62
  5. Step 5: Solve for x
    x = 5,201,402,026.62/71,010.81
  6. Step 6: Final answer
    x = 73,248.03

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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.