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Finding the Fourth Proportional to 4,782.99, 6,600.49 and 2,658.47

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Solution

The fourth proportional to 4,782.99, 6,600.49 and 2,658.47 is: 3,668.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782.99 : 6,600.49 = 2,658.47 : x
  2. Step 2: Convert to fraction form
    4,782.99/6,600.49 = 2,658.47/x
  3. Step 3: Cross multiply
    4,782.99x = 6,600.49 × 2,658.47
  4. Step 4: Simplify right side
    4,782.99x = 17,547,178.58
  5. Step 5: Solve for x
    x = 17,547,178.58/4,782.99
  6. Step 6: Final answer
    x = 3,668.66

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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.