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Finding the Fourth Proportional to 8,703.39, 13,062.02 and 3,158.33

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Solution

The fourth proportional to 8,703.39, 13,062.02 and 3,158.33 is: 4,740.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703.39 : 13,062.02 = 3,158.33 : x
  2. Step 2: Convert to fraction form
    8,703.39/13,062.02 = 3,158.33/x
  3. Step 3: Cross multiply
    8,703.39x = 13,062.02 × 3,158.33
  4. Step 4: Simplify right side
    8,703.39x = 41,254,088.52
  5. Step 5: Solve for x
    x = 41,254,088.52/8,703.39
  6. Step 6: Final answer
    x = 4,740.00

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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.