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Finding the Fourth Proportional to 8,734.04, 12,052.58 and 4,755.15

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Solution

The fourth proportional to 8,734.04, 12,052.58 and 4,755.15 is: 6,561.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734.04 : 12,052.58 = 4,755.15 : x
  2. Step 2: Convert to fraction form
    8,734.04/12,052.58 = 4,755.15/x
  3. Step 3: Cross multiply
    8,734.04x = 12,052.58 × 4,755.15
  4. Step 4: Simplify right side
    8,734.04x = 57,311,837.67
  5. Step 5: Solve for x
    x = 57,311,837.67/8,734.04
  6. Step 6: Final answer
    x = 6,561.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.