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Finding the Fourth Proportional to 5,837.47, 8,755.85 and 1,888.64

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Solution

The fourth proportional to 5,837.47, 8,755.85 and 1,888.64 is: 2,832.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,837.47 : 8,755.85 = 1,888.64 : x
  2. Step 2: Convert to fraction form
    5,837.47/8,755.85 = 1,888.64/x
  3. Step 3: Cross multiply
    5,837.47x = 8,755.85 × 1,888.64
  4. Step 4: Simplify right side
    5,837.47x = 16,536,656.32
  5. Step 5: Solve for x
    x = 16,536,656.32/5,837.47
  6. Step 6: Final answer
    x = 2,832.85

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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.