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Finding the Fourth Proportional to 8,603.03, 11,877.89 and 6,610.02

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Solution

The fourth proportional to 8,603.03, 11,877.89 and 6,610.02 is: 9,126.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603.03 : 11,877.89 = 6,610.02 : x
  2. Step 2: Convert to fraction form
    8,603.03/11,877.89 = 6,610.02/x
  3. Step 3: Cross multiply
    8,603.03x = 11,877.89 × 6,610.02
  4. Step 4: Simplify right side
    8,603.03x = 78,513,090.46
  5. Step 5: Solve for x
    x = 78,513,090.46/8,603.03
  6. Step 6: Final answer
    x = 9,126.21

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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.