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Finding the Fourth Proportional to 8,878.74, 12,256.32 and 6,055.44

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Solution

The fourth proportional to 8,878.74, 12,256.32 and 6,055.44 is: 8,359.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.74 : 12,256.32 = 6,055.44 : x
  2. Step 2: Convert to fraction form
    8,878.74/12,256.32 = 6,055.44/x
  3. Step 3: Cross multiply
    8,878.74x = 12,256.32 × 6,055.44
  4. Step 4: Simplify right side
    8,878.74x = 74,217,410.38
  5. Step 5: Solve for x
    x = 74,217,410.38/8,878.74
  6. Step 6: Final answer
    x = 8,359.00

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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.