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Finding the Fourth Proportional to 70,495.52, 97,283.88 and 38,665.04

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Solution

The fourth proportional to 70,495.52, 97,283.88 and 38,665.04 is: 53,357.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,495.52 : 97,283.88 = 38,665.04 : x
  2. Step 2: Convert to fraction form
    70,495.52/97,283.88 = 38,665.04/x
  3. Step 3: Cross multiply
    70,495.52x = 97,283.88 × 38,665.04
  4. Step 4: Simplify right side
    70,495.52x = 3,761,485,111.56
  5. Step 5: Solve for x
    x = 3,761,485,111.56/70,495.52
  6. Step 6: Final answer
    x = 53,357.79

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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.