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Finding the Fourth Proportional to 23,403.93, 35,102.07 and 7,821.51

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Solution

The fourth proportional to 23,403.93, 35,102.07 and 7,821.51 is: 11,730.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,403.93 : 35,102.07 = 7,821.51 : x
  2. Step 2: Convert to fraction form
    23,403.93/35,102.07 = 7,821.51/x
  3. Step 3: Cross multiply
    23,403.93x = 35,102.07 × 7,821.51
  4. Step 4: Simplify right side
    23,403.93x = 274,551,191.53
  5. Step 5: Solve for x
    x = 274,551,191.53/23,403.93
  6. Step 6: Final answer
    x = 11,730.99

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1.5x scale

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.