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Finding the Fourth Proportional to 15,987.48, 23,994.08 and 7,223.16

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Solution

The fourth proportional to 15,987.48, 23,994.08 and 7,223.16 is: 10,840.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987.48 : 23,994.08 = 7,223.16 : x
  2. Step 2: Convert to fraction form
    15,987.48/23,994.08 = 7,223.16/x
  3. Step 3: Cross multiply
    15,987.48x = 23,994.08 × 7,223.16
  4. Step 4: Simplify right side
    15,987.48x = 173,313,078.89
  5. Step 5: Solve for x
    x = 173,313,078.89/15,987.48
  6. Step 6: Final answer
    x = 10,840.55

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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.