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Finding the Fourth Proportional to 2,011.95, 3,015.12 and 1,088.01

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Solution

The fourth proportional to 2,011.95, 3,015.12 and 1,088.01 is: 1,630.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.95 : 3,015.12 = 1,088.01 : x
  2. Step 2: Convert to fraction form
    2,011.95/3,015.12 = 1,088.01/x
  3. Step 3: Cross multiply
    2,011.95x = 3,015.12 × 1,088.01
  4. Step 4: Simplify right side
    2,011.95x = 3,280,480.71
  5. Step 5: Solve for x
    x = 3,280,480.71/2,011.95
  6. Step 6: Final answer
    x = 1,630.50

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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.