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Finding the Fourth Proportional to 10,748.03, 16,130.93 and 5,486.93

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Solution

The fourth proportional to 10,748.03, 16,130.93 and 5,486.93 is: 8,234.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,748.03 : 16,130.93 = 5,486.93 : x
  2. Step 2: Convert to fraction form
    10,748.03/16,130.93 = 5,486.93/x
  3. Step 3: Cross multiply
    10,748.03x = 16,130.93 × 5,486.93
  4. Step 4: Simplify right side
    10,748.03x = 88,509,283.74
  5. Step 5: Solve for x
    x = 88,509,283.74/10,748.03
  6. Step 6: Final answer
    x = 8,234.93

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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.