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Finding the Fourth Proportional to 9,055.10, 12,496.20 and 5,076.20

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Solution

The fourth proportional to 9,055.10, 12,496.20 and 5,076.20 is: 7,005.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,055.10 : 12,496.20 = 5,076.20 : x
  2. Step 2: Convert to fraction form
    9,055.10/12,496.20 = 5,076.20/x
  3. Step 3: Cross multiply
    9,055.10x = 12,496.20 × 5,076.20
  4. Step 4: Simplify right side
    9,055.10x = 63,433,210.44
  5. Step 5: Solve for x
    x = 63,433,210.44/9,055.10
  6. Step 6: Final answer
    x = 7,005.25

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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.