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Finding the Fourth Proportional to 15,949.01, 22,009.25 and 8,875.28

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Solution

The fourth proportional to 15,949.01, 22,009.25 and 8,875.28 is: 12,247.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,949.01 : 22,009.25 = 8,875.28 : x
  2. Step 2: Convert to fraction form
    15,949.01/22,009.25 = 8,875.28/x
  3. Step 3: Cross multiply
    15,949.01x = 22,009.25 × 8,875.28
  4. Step 4: Simplify right side
    15,949.01x = 195,338,168.48
  5. Step 5: Solve for x
    x = 195,338,168.48/15,949.01
  6. Step 6: Final answer
    x = 12,247.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.