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Finding the Fourth Proportional to 19,295.97, 28,943.63 and 6,148.16

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Solution

The fourth proportional to 19,295.97, 28,943.63 and 6,148.16 is: 9,222.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,295.97 : 28,943.63 = 6,148.16 : x
  2. Step 2: Convert to fraction form
    19,295.97/28,943.63 = 6,148.16/x
  3. Step 3: Cross multiply
    19,295.97x = 28,943.63 × 6,148.16
  4. Step 4: Simplify right side
    19,295.97x = 177,950,068.22
  5. Step 5: Solve for x
    x = 177,950,068.22/19,295.97
  6. Step 6: Final answer
    x = 9,222.14

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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.