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Finding the Fourth Proportional to 8,502.93, 11,739.76 and 7,603.87

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Solution

The fourth proportional to 8,502.93, 11,739.76 and 7,603.87 is: 10,498.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,502.93 : 11,739.76 = 7,603.87 : x
  2. Step 2: Convert to fraction form
    8,502.93/11,739.76 = 7,603.87/x
  3. Step 3: Cross multiply
    8,502.93x = 11,739.76 × 7,603.87
  4. Step 4: Simplify right side
    8,502.93x = 89,267,638.22
  5. Step 5: Solve for x
    x = 89,267,638.22/8,502.93
  6. Step 6: Final answer
    x = 10,498.46

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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.