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Finding the Fourth Proportional to 2,477.79, 3,418.79 and 1,482.93

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Solution

The fourth proportional to 2,477.79, 3,418.79 and 1,482.93 is: 2,046.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477.79 : 3,418.79 = 1,482.93 : x
  2. Step 2: Convert to fraction form
    2,477.79/3,418.79 = 1,482.93/x
  3. Step 3: Cross multiply
    2,477.79x = 3,418.79 × 1,482.93
  4. Step 4: Simplify right side
    2,477.79x = 5,069,818.84
  5. Step 5: Solve for x
    x = 5,069,818.84/2,477.79
  6. Step 6: Final answer
    x = 2,046.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.