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Finding the Fourth Proportional to 6,180.95, 9,274.95 and 6,130.79

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Solution

The fourth proportional to 6,180.95, 9,274.95 and 6,130.79 is: 9,199.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,180.95 : 9,274.95 = 6,130.79 : x
  2. Step 2: Convert to fraction form
    6,180.95/9,274.95 = 6,130.79/x
  3. Step 3: Cross multiply
    6,180.95x = 9,274.95 × 6,130.79
  4. Step 4: Simplify right side
    6,180.95x = 56,862,724.34
  5. Step 5: Solve for x
    x = 56,862,724.34/6,180.95
  6. Step 6: Final answer
    x = 9,199.68

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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.