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Finding the Fourth Proportional to 70,495.33, 97,284.31 and 38,230.01

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Solution

The fourth proportional to 70,495.33, 97,284.31 and 38,230.01 is: 52,757.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,495.33 : 97,284.31 = 38,230.01 : x
  2. Step 2: Convert to fraction form
    70,495.33/97,284.31 = 38,230.01/x
  3. Step 3: Cross multiply
    70,495.33x = 97,284.31 × 38,230.01
  4. Step 4: Simplify right side
    70,495.33x = 3,719,179,952.99
  5. Step 5: Solve for x
    x = 3,719,179,952.99/70,495.33
  6. Step 6: Final answer
    x = 52,757.82

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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.