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Finding the Fourth Proportional to 70,595.66, 97,422.69 and 38,765.24

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Solution

The fourth proportional to 70,595.66, 97,422.69 and 38,765.24 is: 53,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,595.66 : 97,422.69 = 38,765.24 : x
  2. Step 2: Convert to fraction form
    70,595.66/97,422.69 = 38,765.24/x
  3. Step 3: Cross multiply
    70,595.66x = 97,422.69 × 38,765.24
  4. Step 4: Simplify right side
    70,595.66x = 3,776,613,959.30
  5. Step 5: Solve for x
    x = 3,776,613,959.30/70,595.66
  6. Step 6: Final answer
    x = 53,496.40

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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.