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Finding the Fourth Proportional to 70,264.56, 96,967.08 and 38,435.52

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Solution

The fourth proportional to 70,264.56, 96,967.08 and 38,435.52 is: 53,042.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,264.56 : 96,967.08 = 38,435.52 : x
  2. Step 2: Convert to fraction form
    70,264.56/96,967.08 = 38,435.52/x
  3. Step 3: Cross multiply
    70,264.56x = 96,967.08 × 38,435.52
  4. Step 4: Simplify right side
    70,264.56x = 3,726,980,142.68
  5. Step 5: Solve for x
    x = 3,726,980,142.68/70,264.56
  6. Step 6: Final answer
    x = 53,042.10

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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.