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Finding the Fourth Proportional to 16,316.99, 24,472.07 and 7,988.63

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Solution

The fourth proportional to 16,316.99, 24,472.07 and 7,988.63 is: 11,981.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,316.99 : 24,472.07 = 7,988.63 : x
  2. Step 2: Convert to fraction form
    16,316.99/24,472.07 = 7,988.63/x
  3. Step 3: Cross multiply
    16,316.99x = 24,472.07 × 7,988.63
  4. Step 4: Simplify right side
    16,316.99x = 195,498,225.15
  5. Step 5: Solve for x
    x = 195,498,225.15/16,316.99
  6. Step 6: Final answer
    x = 11,981.26

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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.