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Finding the Fourth Proportional to 70,088.50, 96,723.44 and 38,258.54

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Solution

The fourth proportional to 70,088.50, 96,723.44 and 38,258.54 is: 52,797.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,088.50 : 96,723.44 = 38,258.54 : x
  2. Step 2: Convert to fraction form
    70,088.50/96,723.44 = 38,258.54/x
  3. Step 3: Cross multiply
    70,088.50x = 96,723.44 × 38,258.54
  4. Step 4: Simplify right side
    70,088.50x = 3,700,497,210.21
  5. Step 5: Solve for x
    x = 3,700,497,210.21/70,088.50
  6. Step 6: Final answer
    x = 52,797.50

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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.