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Finding the Fourth Proportional to 9,323.70, 13,985.64 and 2,750.01

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Solution

The fourth proportional to 9,323.70, 13,985.64 and 2,750.01 is: 4,125.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,323.70 : 13,985.64 = 2,750.01 : x
  2. Step 2: Convert to fraction form
    9,323.70/13,985.64 = 2,750.01/x
  3. Step 3: Cross multiply
    9,323.70x = 13,985.64 × 2,750.01
  4. Step 4: Simplify right side
    9,323.70x = 38,460,649.86
  5. Step 5: Solve for x
    x = 38,460,649.86/9,323.70
  6. Step 6: Final answer
    x = 4,125.04

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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.