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Finding the Fourth Proportional to 8,902.61, 12,295.68 and 6,065.06

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Solution

The fourth proportional to 8,902.61, 12,295.68 and 6,065.06 is: 8,376.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902.61 : 12,295.68 = 6,065.06 : x
  2. Step 2: Convert to fraction form
    8,902.61/12,295.68 = 6,065.06/x
  3. Step 3: Cross multiply
    8,902.61x = 12,295.68 × 6,065.06
  4. Step 4: Simplify right side
    8,902.61x = 74,573,975.46
  5. Step 5: Solve for x
    x = 74,573,975.46/8,902.61
  6. Step 6: Final answer
    x = 8,376.65

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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.