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Finding the Fourth Proportional to 8,955.08, 13,398.84 and 8,045.62

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Solution

The fourth proportional to 8,955.08, 13,398.84 and 8,045.62 is: 12,038.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955.08 : 13,398.84 = 8,045.62 : x
  2. Step 2: Convert to fraction form
    8,955.08/13,398.84 = 8,045.62/x
  3. Step 3: Cross multiply
    8,955.08x = 13,398.84 × 8,045.62
  4. Step 4: Simplify right side
    8,955.08x = 107,801,975.08
  5. Step 5: Solve for x
    x = 107,801,975.08/8,955.08
  6. Step 6: Final answer
    x = 12,038.08

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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.