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Finding the Fourth Proportional to 10,079.99, 15,107.63 and 7,607.06

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Solution

The fourth proportional to 10,079.99, 15,107.63 and 7,607.06 is: 11,401.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.99 : 15,107.63 = 7,607.06 : x
  2. Step 2: Convert to fraction form
    10,079.99/15,107.63 = 7,607.06/x
  3. Step 3: Cross multiply
    10,079.99x = 15,107.63 × 7,607.06
  4. Step 4: Simplify right side
    10,079.99x = 114,924,534.29
  5. Step 5: Solve for x
    x = 114,924,534.29/10,079.99
  6. Step 6: Final answer
    x = 11,401.26

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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.