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Finding the Fourth Proportional to 2,041.84, 3,061.05 and 946.99

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Solution

The fourth proportional to 2,041.84, 3,061.05 and 946.99 is: 1,419.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041.84 : 3,061.05 = 946.99 : x
  2. Step 2: Convert to fraction form
    2,041.84/3,061.05 = 946.99/x
  3. Step 3: Cross multiply
    2,041.84x = 3,061.05 × 946.99
  4. Step 4: Simplify right side
    2,041.84x = 2,898,779.00
  5. Step 5: Solve for x
    x = 2,898,779.00/2,041.84
  6. Step 6: Final answer
    x = 1,419.69

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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.