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Finding the Fourth Proportional to 70,012.38, 96,619.01 and 42,792.87

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Solution

The fourth proportional to 70,012.38, 96,619.01 and 42,792.87 is: 59,055.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,012.38 : 96,619.01 = 42,792.87 : x
  2. Step 2: Convert to fraction form
    70,012.38/96,619.01 = 42,792.87/x
  3. Step 3: Cross multiply
    70,012.38x = 96,619.01 × 42,792.87
  4. Step 4: Simplify right side
    70,012.38x = 4,134,604,520.49
  5. Step 5: Solve for x
    x = 4,134,604,520.49/70,012.38
  6. Step 6: Final answer
    x = 59,055.33

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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.