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Finding the Fourth Proportional to 8,772.55, 13,045.99 and 8,495.68

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Solution

The fourth proportional to 8,772.55, 13,045.99 and 8,495.68 is: 12,634.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.55 : 13,045.99 = 8,495.68 : x
  2. Step 2: Convert to fraction form
    8,772.55/13,045.99 = 8,495.68/x
  3. Step 3: Cross multiply
    8,772.55x = 13,045.99 × 8,495.68
  4. Step 4: Simplify right side
    8,772.55x = 110,834,610.18
  5. Step 5: Solve for x
    x = 110,834,610.18/8,772.55
  6. Step 6: Final answer
    x = 12,634.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.