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Finding the Fourth Proportional to 70,294.83, 105,442.24 and 35,226.28

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Solution

The fourth proportional to 70,294.83, 105,442.24 and 35,226.28 is: 52,839.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,294.83 : 105,442.24 = 35,226.28 : x
  2. Step 2: Convert to fraction form
    70,294.83/105,442.24 = 35,226.28/x
  3. Step 3: Cross multiply
    70,294.83x = 105,442.24 × 35,226.28
  4. Step 4: Simplify right side
    70,294.83x = 3,714,337,870.07
  5. Step 5: Solve for x
    x = 3,714,337,870.07/70,294.83
  6. Step 6: Final answer
    x = 52,839.42

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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.