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Finding the Fourth Proportional to 9,995.64, 14,989.14 and 3,068.52

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Solution

The fourth proportional to 9,995.64, 14,989.14 and 3,068.52 is: 4,601.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,995.64 : 14,989.14 = 3,068.52 : x
  2. Step 2: Convert to fraction form
    9,995.64/14,989.14 = 3,068.52/x
  3. Step 3: Cross multiply
    9,995.64x = 14,989.14 × 3,068.52
  4. Step 4: Simplify right side
    9,995.64x = 45,994,475.87
  5. Step 5: Solve for x
    x = 45,994,475.87/9,995.64
  6. Step 6: Final answer
    x = 4,601.45

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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.