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Finding the Fourth Proportional to 8,703.48, 13,044.30 and 6,243.12

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Solution

The fourth proportional to 8,703.48, 13,044.30 and 6,243.12 is: 9,356.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703.48 : 13,044.30 = 6,243.12 : x
  2. Step 2: Convert to fraction form
    8,703.48/13,044.30 = 6,243.12/x
  3. Step 3: Cross multiply
    8,703.48x = 13,044.30 × 6,243.12
  4. Step 4: Simplify right side
    8,703.48x = 81,437,130.22
  5. Step 5: Solve for x
    x = 81,437,130.22/8,703.48
  6. Step 6: Final answer
    x = 9,356.85

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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.