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Finding the Fourth Proportional to 4,866.58, 7,295.66 and 4,130.99

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Solution

The fourth proportional to 4,866.58, 7,295.66 and 4,130.99 is: 6,192.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,866.58 : 7,295.66 = 4,130.99 : x
  2. Step 2: Convert to fraction form
    4,866.58/7,295.66 = 4,130.99/x
  3. Step 3: Cross multiply
    4,866.58x = 7,295.66 × 4,130.99
  4. Step 4: Simplify right side
    4,866.58x = 30,138,296.09
  5. Step 5: Solve for x
    x = 30,138,296.09/4,866.58
  6. Step 6: Final answer
    x = 6,192.91

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1.5x scale

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.