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Finding the Fourth Proportional to 14,904.02, 22,321.99 and 7,118.30

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Solution

The fourth proportional to 14,904.02, 22,321.99 and 7,118.30 is: 10,661.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,904.02 : 22,321.99 = 7,118.30 : x
  2. Step 2: Convert to fraction form
    14,904.02/22,321.99 = 7,118.30/x
  3. Step 3: Cross multiply
    14,904.02x = 22,321.99 × 7,118.30
  4. Step 4: Simplify right side
    14,904.02x = 158,894,621.42
  5. Step 5: Solve for x
    x = 158,894,621.42/14,904.02
  6. Step 6: Final answer
    x = 10,661.19

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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.