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Finding the Fourth Proportional to 70,891.74, 97,741.89 and 45,356.22

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Solution

The fourth proportional to 70,891.74, 97,741.89 and 45,356.22 is: 62,534.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,891.74 : 97,741.89 = 45,356.22 : x
  2. Step 2: Convert to fraction form
    70,891.74/97,741.89 = 45,356.22/x
  3. Step 3: Cross multiply
    70,891.74x = 97,741.89 × 45,356.22
  4. Step 4: Simplify right side
    70,891.74x = 4,433,202,666.06
  5. Step 5: Solve for x
    x = 4,433,202,666.06/70,891.74
  6. Step 6: Final answer
    x = 62,534.83

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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.