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Finding the Fourth Proportional to 4,631.99, 6,387.86 and 4,296.65

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Solution

The fourth proportional to 4,631.99, 6,387.86 and 4,296.65 is: 5,925.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,631.99 : 6,387.86 = 4,296.65 : x
  2. Step 2: Convert to fraction form
    4,631.99/6,387.86 = 4,296.65/x
  3. Step 3: Cross multiply
    4,631.99x = 6,387.86 × 4,296.65
  4. Step 4: Simplify right side
    4,631.99x = 27,446,377.47
  5. Step 5: Solve for x
    x = 27,446,377.47/4,631.99
  6. Step 6: Final answer
    x = 5,925.40

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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.