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Finding the Fourth Proportional to 9,851.88, 14,777.46 and 2,926.20

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Solution

The fourth proportional to 9,851.88, 14,777.46 and 2,926.20 is: 4,389.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,851.88 : 14,777.46 = 2,926.20 : x
  2. Step 2: Convert to fraction form
    9,851.88/14,777.46 = 2,926.20/x
  3. Step 3: Cross multiply
    9,851.88x = 14,777.46 × 2,926.20
  4. Step 4: Simplify right side
    9,851.88x = 43,241,803.45
  5. Step 5: Solve for x
    x = 43,241,803.45/9,851.88
  6. Step 6: Final answer
    x = 4,389.19

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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.