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Finding the Fourth Proportional to 70,182.60, 96,847.86 and 38,345.16

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Solution

The fourth proportional to 70,182.60, 96,847.86 and 38,345.16 is: 52,914.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,182.60 : 96,847.86 = 38,345.16 : x
  2. Step 2: Convert to fraction form
    70,182.60/96,847.86 = 38,345.16/x
  3. Step 3: Cross multiply
    70,182.60x = 96,847.86 × 38,345.16
  4. Step 4: Simplify right side
    70,182.60x = 3,713,646,687.36
  5. Step 5: Solve for x
    x = 3,713,646,687.36/70,182.60
  6. Step 6: Final answer
    x = 52,914.07

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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.