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Finding the Fourth Proportional to 6,454.32, 9,681.51 and 1,837.32

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Solution

The fourth proportional to 6,454.32, 9,681.51 and 1,837.32 is: 2,755.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,454.32 : 9,681.51 = 1,837.32 : x
  2. Step 2: Convert to fraction form
    6,454.32/9,681.51 = 1,837.32/x
  3. Step 3: Cross multiply
    6,454.32x = 9,681.51 × 1,837.32
  4. Step 4: Simplify right side
    6,454.32x = 17,788,031.95
  5. Step 5: Solve for x
    x = 17,788,031.95/6,454.32
  6. Step 6: Final answer
    x = 2,755.99

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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.