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Finding the Fourth Proportional to 8,888.59, 13,341.09 and 4,509.12

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Solution

The fourth proportional to 8,888.59, 13,341.09 and 4,509.12 is: 6,767.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,888.59 : 13,341.09 = 4,509.12 : x
  2. Step 2: Convert to fraction form
    8,888.59/13,341.09 = 4,509.12/x
  3. Step 3: Cross multiply
    8,888.59x = 13,341.09 × 4,509.12
  4. Step 4: Simplify right side
    8,888.59x = 60,156,575.74
  5. Step 5: Solve for x
    x = 60,156,575.74/8,888.59
  6. Step 6: Final answer
    x = 6,767.84

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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.