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Finding the Fourth Proportional to 70,095.56, 96,728.18 and 38,258.28

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Solution

The fourth proportional to 70,095.56, 96,728.18 and 38,258.28 is: 52,794.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,095.56 : 96,728.18 = 38,258.28 : x
  2. Step 2: Convert to fraction form
    70,095.56/96,728.18 = 38,258.28/x
  3. Step 3: Cross multiply
    70,095.56x = 96,728.18 × 38,258.28
  4. Step 4: Simplify right side
    70,095.56x = 3,700,653,794.33
  5. Step 5: Solve for x
    x = 3,700,653,794.33/70,095.56
  6. Step 6: Final answer
    x = 52,794.41

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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.