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Finding the Fourth Proportional to 8,539.14, 12,810.45 and 4,843.14

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Solution

The fourth proportional to 8,539.14, 12,810.45 and 4,843.14 is: 7,265.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539.14 : 12,810.45 = 4,843.14 : x
  2. Step 2: Convert to fraction form
    8,539.14/12,810.45 = 4,843.14/x
  3. Step 3: Cross multiply
    8,539.14x = 12,810.45 × 4,843.14
  4. Step 4: Simplify right side
    8,539.14x = 62,042,802.81
  5. Step 5: Solve for x
    x = 62,042,802.81/8,539.14
  6. Step 6: Final answer
    x = 7,265.70

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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.