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Finding the Fourth Proportional to 4,749.93, 6,555.47 and 2,653.65

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Solution

The fourth proportional to 4,749.93, 6,555.47 and 2,653.65 is: 3,662.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749.93 : 6,555.47 = 2,653.65 : x
  2. Step 2: Convert to fraction form
    4,749.93/6,555.47 = 2,653.65/x
  3. Step 3: Cross multiply
    4,749.93x = 6,555.47 × 2,653.65
  4. Step 4: Simplify right side
    4,749.93x = 17,395,909.70
  5. Step 5: Solve for x
    x = 17,395,909.70/4,749.93
  6. Step 6: Final answer
    x = 3,662.35

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1.5x scale

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.