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Finding the Fourth Proportional to 8,888.68, 13,328.76 and 3,337.72

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Solution

The fourth proportional to 8,888.68, 13,328.76 and 3,337.72 is: 5,004.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,888.68 : 13,328.76 = 3,337.72 : x
  2. Step 2: Convert to fraction form
    8,888.68/13,328.76 = 3,337.72/x
  3. Step 3: Cross multiply
    8,888.68x = 13,328.76 × 3,337.72
  4. Step 4: Simplify right side
    8,888.68x = 44,487,668.83
  5. Step 5: Solve for x
    x = 44,487,668.83/8,888.68
  6. Step 6: Final answer
    x = 5,004.98

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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.