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Finding the Fourth Proportional to 70,242.44, 96,934.60 and 38,411.60

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Solution

The fourth proportional to 70,242.44, 96,934.60 and 38,411.60 is: 53,008.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,242.44 : 96,934.60 = 38,411.60 : x
  2. Step 2: Convert to fraction form
    70,242.44/96,934.60 = 38,411.60/x
  3. Step 3: Cross multiply
    70,242.44x = 96,934.60 × 38,411.60
  4. Step 4: Simplify right side
    70,242.44x = 3,723,413,081.36
  5. Step 5: Solve for x
    x = 3,723,413,081.36/70,242.44
  6. Step 6: Final answer
    x = 53,008.03

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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.