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Finding the Fourth Proportional to 70,374.83, 105,562.44 and 35,306.28

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Solution

The fourth proportional to 70,374.83, 105,562.44 and 35,306.28 is: 52,959.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,374.83 : 105,562.44 = 35,306.28 : x
  2. Step 2: Convert to fraction form
    70,374.83/105,562.44 = 35,306.28/x
  3. Step 3: Cross multiply
    70,374.83x = 105,562.44 × 35,306.28
  4. Step 4: Simplify right side
    70,374.83x = 3,727,017,064.12
  5. Step 5: Solve for x
    x = 3,727,017,064.12/70,374.83
  6. Step 6: Final answer
    x = 52,959.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.