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Finding the Fourth Proportional to 15,976.04, 22,047.08 and 8,806.22

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Solution

The fourth proportional to 15,976.04, 22,047.08 and 8,806.22 is: 12,152.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,976.04 : 22,047.08 = 8,806.22 : x
  2. Step 2: Convert to fraction form
    15,976.04/22,047.08 = 8,806.22/x
  3. Step 3: Cross multiply
    15,976.04x = 22,047.08 × 8,806.22
  4. Step 4: Simplify right side
    15,976.04x = 194,151,326.60
  5. Step 5: Solve for x
    x = 194,151,326.60/15,976.04
  6. Step 6: Final answer
    x = 12,152.66

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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.