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Finding the Fourth Proportional to 1,957.17, 2,933.01 and 1,406.76

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Solution

The fourth proportional to 1,957.17, 2,933.01 and 1,406.76 is: 2,108.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957.17 : 2,933.01 = 1,406.76 : x
  2. Step 2: Convert to fraction form
    1,957.17/2,933.01 = 1,406.76/x
  3. Step 3: Cross multiply
    1,957.17x = 2,933.01 × 1,406.76
  4. Step 4: Simplify right side
    1,957.17x = 4,126,041.15
  5. Step 5: Solve for x
    x = 4,126,041.15/1,957.17
  6. Step 6: Final answer
    x = 2,108.17

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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.