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Finding the Fourth Proportional to 8,834.60, 12,192.93 and 5,699.90

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Solution

The fourth proportional to 8,834.60, 12,192.93 and 5,699.90 is: 7,866.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,834.60 : 12,192.93 = 5,699.90 : x
  2. Step 2: Convert to fraction form
    8,834.60/12,192.93 = 5,699.90/x
  3. Step 3: Cross multiply
    8,834.60x = 12,192.93 × 5,699.90
  4. Step 4: Simplify right side
    8,834.60x = 69,498,420.74
  5. Step 5: Solve for x
    x = 69,498,420.74/8,834.60
  6. Step 6: Final answer
    x = 7,866.62

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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.