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Finding the Fourth Proportional to 70,227.52, 96,911.04 and 38,396.32

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Solution

The fourth proportional to 70,227.52, 96,911.04 and 38,396.32 is: 52,985.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,227.52 : 96,911.04 = 38,396.32 : x
  2. Step 2: Convert to fraction form
    70,227.52/96,911.04 = 38,396.32/x
  3. Step 3: Cross multiply
    70,227.52x = 96,911.04 × 38,396.32
  4. Step 4: Simplify right side
    70,227.52x = 3,721,027,303.37
  5. Step 5: Solve for x
    x = 3,721,027,303.37/70,227.52
  6. Step 6: Final answer
    x = 52,985.32

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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.