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Finding the Fourth Proportional to 17,803.60, 26,703.12 and 4,655.92

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Solution

The fourth proportional to 17,803.60, 26,703.12 and 4,655.92 is: 6,983.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,803.60 : 26,703.12 = 4,655.92 : x
  2. Step 2: Convert to fraction form
    17,803.60/26,703.12 = 4,655.92/x
  3. Step 3: Cross multiply
    17,803.60x = 26,703.12 × 4,655.92
  4. Step 4: Simplify right side
    17,803.60x = 124,327,590.47
  5. Step 5: Solve for x
    x = 124,327,590.47/17,803.60
  6. Step 6: Final answer
    x = 6,983.28

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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.