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Finding the Fourth Proportional to 70,250.04, 105,375.24 and 28,697.04

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Solution

The fourth proportional to 70,250.04, 105,375.24 and 28,697.04 is: 43,045.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,250.04 : 105,375.24 = 28,697.04 : x
  2. Step 2: Convert to fraction form
    70,250.04/105,375.24 = 28,697.04/x
  3. Step 3: Cross multiply
    70,250.04x = 105,375.24 × 28,697.04
  4. Step 4: Simplify right side
    70,250.04x = 3,023,957,477.29
  5. Step 5: Solve for x
    x = 3,023,957,477.29/70,250.04
  6. Step 6: Final answer
    x = 43,045.63

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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.