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Finding the Fourth Proportional to 4,642.36, 6,965.16 and 2,045.52

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Solution

The fourth proportional to 4,642.36, 6,965.16 and 2,045.52 is: 3,068.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.36 : 6,965.16 = 2,045.52 : x
  2. Step 2: Convert to fraction form
    4,642.36/6,965.16 = 2,045.52/x
  3. Step 3: Cross multiply
    4,642.36x = 6,965.16 × 2,045.52
  4. Step 4: Simplify right side
    4,642.36x = 14,247,374.08
  5. Step 5: Solve for x
    x = 14,247,374.08/4,642.36
  6. Step 6: Final answer
    x = 3,068.99

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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.