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Finding the Fourth Proportional to 9,240.99, 13,866.95 and 4,858.79

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Solution

The fourth proportional to 9,240.99, 13,866.95 and 4,858.79 is: 7,291.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240.99 : 13,866.95 = 4,858.79 : x
  2. Step 2: Convert to fraction form
    9,240.99/13,866.95 = 4,858.79/x
  3. Step 3: Cross multiply
    9,240.99x = 13,866.95 × 4,858.79
  4. Step 4: Simplify right side
    9,240.99x = 67,376,513.47
  5. Step 5: Solve for x
    x = 67,376,513.47/9,240.99
  6. Step 6: Final answer
    x = 7,291.05

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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.