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Finding the Fourth Proportional to 9,487.87, 13,093.05 and 5,508.88

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Solution

The fourth proportional to 9,487.87, 13,093.05 and 5,508.88 is: 7,602.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,487.87 : 13,093.05 = 5,508.88 : x
  2. Step 2: Convert to fraction form
    9,487.87/13,093.05 = 5,508.88/x
  3. Step 3: Cross multiply
    9,487.87x = 13,093.05 × 5,508.88
  4. Step 4: Simplify right side
    9,487.87x = 72,128,041.28
  5. Step 5: Solve for x
    x = 72,128,041.28/9,487.87
  6. Step 6: Final answer
    x = 7,602.13

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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.