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Finding the Fourth Proportional to 9,855.18, 14,788.53 and 5,959.98

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Solution

The fourth proportional to 9,855.18, 14,788.53 and 5,959.98 is: 8,943.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,855.18 : 14,788.53 = 5,959.98 : x
  2. Step 2: Convert to fraction form
    9,855.18/14,788.53 = 5,959.98/x
  3. Step 3: Cross multiply
    9,855.18x = 14,788.53 × 5,959.98
  4. Step 4: Simplify right side
    9,855.18x = 88,139,343.03
  5. Step 5: Solve for x
    x = 88,139,343.03/9,855.18
  6. Step 6: Final answer
    x = 8,943.45

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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.