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Finding the Fourth Proportional to 6,598.15, 9,897.28 and 1,918.48

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Solution

The fourth proportional to 6,598.15, 9,897.28 and 1,918.48 is: 2,877.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,598.15 : 9,897.28 = 1,918.48 : x
  2. Step 2: Convert to fraction form
    6,598.15/9,897.28 = 1,918.48/x
  3. Step 3: Cross multiply
    6,598.15x = 9,897.28 × 1,918.48
  4. Step 4: Simplify right side
    6,598.15x = 18,987,733.73
  5. Step 5: Solve for x
    x = 18,987,733.73/6,598.15
  6. Step 6: Final answer
    x = 2,877.74

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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.