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Finding the Fourth Proportional to 8,862.30, 13,315.05 and 6,675.30

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Solution

The fourth proportional to 8,862.30, 13,315.05 and 6,675.30 is: 10,029.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862.30 : 13,315.05 = 6,675.30 : x
  2. Step 2: Convert to fraction form
    8,862.30/13,315.05 = 6,675.30/x
  3. Step 3: Cross multiply
    8,862.30x = 13,315.05 × 6,675.30
  4. Step 4: Simplify right side
    8,862.30x = 88,881,953.27
  5. Step 5: Solve for x
    x = 88,881,953.27/8,862.30
  6. Step 6: Final answer
    x = 10,029.22

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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.