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Finding the Fourth Proportional to 70,635.65, 97,474.89 and 38,802.54

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Solution

The fourth proportional to 70,635.65, 97,474.89 and 38,802.54 is: 53,546.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,635.65 : 97,474.89 = 38,802.54 : x
  2. Step 2: Convert to fraction form
    70,635.65/97,474.89 = 38,802.54/x
  3. Step 3: Cross multiply
    70,635.65x = 97,474.89 × 38,802.54
  4. Step 4: Simplify right side
    70,635.65x = 3,782,273,829.26
  5. Step 5: Solve for x
    x = 3,782,273,829.26/70,635.65
  6. Step 6: Final answer
    x = 53,546.25

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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.