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Finding the Fourth Proportional to 62,803.80, 86,670.81 and 34,511.04

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Solution

The fourth proportional to 62,803.80, 86,670.81 and 34,511.04 is: 47,626.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,803.80 : 86,670.81 = 34,511.04 : x
  2. Step 2: Convert to fraction form
    62,803.80/86,670.81 = 34,511.04/x
  3. Step 3: Cross multiply
    62,803.80x = 86,670.81 × 34,511.04
  4. Step 4: Simplify right side
    62,803.80x = 2,991,099,790.74
  5. Step 5: Solve for x
    x = 2,991,099,790.74/62,803.80
  6. Step 6: Final answer
    x = 47,626.10

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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.