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Finding the Fourth Proportional to 15,076.16, 22,615.12 and 5,080.08

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Solution

The fourth proportional to 15,076.16, 22,615.12 and 5,080.08 is: 7,620.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,076.16 : 22,615.12 = 5,080.08 : x
  2. Step 2: Convert to fraction form
    15,076.16/22,615.12 = 5,080.08/x
  3. Step 3: Cross multiply
    15,076.16x = 22,615.12 × 5,080.08
  4. Step 4: Simplify right side
    15,076.16x = 114,886,618.81
  5. Step 5: Solve for x
    x = 114,886,618.81/15,076.16
  6. Step 6: Final answer
    x = 7,620.42

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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.