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Finding the Fourth Proportional to 15,750.80, 23,631.06 and 5,891.07

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Solution

The fourth proportional to 15,750.80, 23,631.06 and 5,891.07 is: 8,838.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,750.80 : 23,631.06 = 5,891.07 : x
  2. Step 2: Convert to fraction form
    15,750.80/23,631.06 = 5,891.07/x
  3. Step 3: Cross multiply
    15,750.80x = 23,631.06 × 5,891.07
  4. Step 4: Simplify right side
    15,750.80x = 139,212,199.18
  5. Step 5: Solve for x
    x = 139,212,199.18/15,750.80
  6. Step 6: Final answer
    x = 8,838.42

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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.