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Finding the Fourth Proportional to 8,602.53, 12,895.59 and 2,755.14

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Solution

The fourth proportional to 8,602.53, 12,895.59 and 2,755.14 is: 4,130.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,602.53 : 12,895.59 = 2,755.14 : x
  2. Step 2: Convert to fraction form
    8,602.53/12,895.59 = 2,755.14/x
  3. Step 3: Cross multiply
    8,602.53x = 12,895.59 × 2,755.14
  4. Step 4: Simplify right side
    8,602.53x = 35,529,155.83
  5. Step 5: Solve for x
    x = 35,529,155.83/8,602.53
  6. Step 6: Final answer
    x = 4,130.08

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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.