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Finding the Fourth Proportional to 8,886.89, 13,305.71 and 4,495.16

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Solution

The fourth proportional to 8,886.89, 13,305.71 and 4,495.16 is: 6,730.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.89 : 13,305.71 = 4,495.16 : x
  2. Step 2: Convert to fraction form
    8,886.89/13,305.71 = 4,495.16/x
  3. Step 3: Cross multiply
    8,886.89x = 13,305.71 × 4,495.16
  4. Step 4: Simplify right side
    8,886.89x = 59,811,339.87
  5. Step 5: Solve for x
    x = 59,811,339.87/8,886.89
  6. Step 6: Final answer
    x = 6,730.29

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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.