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Finding the Fourth Proportional to 8,013.76, 11,058.88 and 4,477.04

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Solution

The fourth proportional to 8,013.76, 11,058.88 and 4,477.04 is: 6,178.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013.76 : 11,058.88 = 4,477.04 : x
  2. Step 2: Convert to fraction form
    8,013.76/11,058.88 = 4,477.04/x
  3. Step 3: Cross multiply
    8,013.76x = 11,058.88 × 4,477.04
  4. Step 4: Simplify right side
    8,013.76x = 49,511,048.12
  5. Step 5: Solve for x
    x = 49,511,048.12/8,013.76
  6. Step 6: Final answer
    x = 6,178.25

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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.