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Finding the Fourth Proportional to 9,153.32, 12,627.06 and 6,165.32

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Solution

The fourth proportional to 9,153.32, 12,627.06 and 6,165.32 is: 8,505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.32 : 12,627.06 = 6,165.32 : x
  2. Step 2: Convert to fraction form
    9,153.32/12,627.06 = 6,165.32/x
  3. Step 3: Cross multiply
    9,153.32x = 12,627.06 × 6,165.32
  4. Step 4: Simplify right side
    9,153.32x = 77,849,865.56
  5. Step 5: Solve for x
    x = 77,849,865.56/9,153.32
  6. Step 6: Final answer
    x = 8,505.10

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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.