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Finding the Fourth Proportional to 46,578.95, 69,879.27 and 13,299.47

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Solution

The fourth proportional to 46,578.95, 69,879.27 and 13,299.47 is: 19,952.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,578.95 : 69,879.27 = 13,299.47 : x
  2. Step 2: Convert to fraction form
    46,578.95/69,879.27 = 13,299.47/x
  3. Step 3: Cross multiply
    46,578.95x = 69,879.27 × 13,299.47
  4. Step 4: Simplify right side
    46,578.95x = 929,357,254.99
  5. Step 5: Solve for x
    x = 929,357,254.99/46,578.95
  6. Step 6: Final answer
    x = 19,952.30

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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.