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Finding the Fourth Proportional to 8,888.15, 13,323.98 and 3,345.17

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Solution

The fourth proportional to 8,888.15, 13,323.98 and 3,345.17 is: 5,014.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,888.15 : 13,323.98 = 3,345.17 : x
  2. Step 2: Convert to fraction form
    8,888.15/13,323.98 = 3,345.17/x
  3. Step 3: Cross multiply
    8,888.15x = 13,323.98 × 3,345.17
  4. Step 4: Simplify right side
    8,888.15x = 44,571,019.85
  5. Step 5: Solve for x
    x = 44,571,019.85/8,888.15
  6. Step 6: Final answer
    x = 5,014.66

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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.