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Finding the Fourth Proportional to 4,742, 6,544.08 and 2,646.08

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Solution

The fourth proportional to 4,742, 6,544.08 and 2,646.08 is: 3,651.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742 : 6,544.08 = 2,646.08 : x
  2. Step 2: Convert to fraction form
    4,742/6,544.08 = 2,646.08/x
  3. Step 3: Cross multiply
    4,742x = 6,544.08 × 2,646.08
  4. Step 4: Simplify right side
    4,742x = 17,316,159.21
  5. Step 5: Solve for x
    x = 17,316,159.21/4,742
  6. Step 6: Final answer
    x = 3,651.66

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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.