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Finding the Fourth Proportional to 15,323.98, 22,981.53 and 6,999.58

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Solution

The fourth proportional to 15,323.98, 22,981.53 and 6,999.58 is: 10,497.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,323.98 : 22,981.53 = 6,999.58 : x
  2. Step 2: Convert to fraction form
    15,323.98/22,981.53 = 6,999.58/x
  3. Step 3: Cross multiply
    15,323.98x = 22,981.53 × 6,999.58
  4. Step 4: Simplify right side
    15,323.98x = 160,861,057.76
  5. Step 5: Solve for x
    x = 160,861,057.76/15,323.98
  6. Step 6: Final answer
    x = 10,497.34

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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.