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Finding the Fourth Proportional to 2,895.79, 4,341.11 and 1,393.93

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Solution

The fourth proportional to 2,895.79, 4,341.11 and 1,393.93 is: 2,089.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.79 : 4,341.11 = 1,393.93 : x
  2. Step 2: Convert to fraction form
    2,895.79/4,341.11 = 1,393.93/x
  3. Step 3: Cross multiply
    2,895.79x = 4,341.11 × 1,393.93
  4. Step 4: Simplify right side
    2,895.79x = 6,051,203.46
  5. Step 5: Solve for x
    x = 6,051,203.46/2,895.79
  6. Step 6: Final answer
    x = 2,089.66

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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.