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Finding the Fourth Proportional to 19,097.80, 28,649.40 and 5,948.80

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Solution

The fourth proportional to 19,097.80, 28,649.40 and 5,948.80 is: 8,924.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,097.80 : 28,649.40 = 5,948.80 : x
  2. Step 2: Convert to fraction form
    19,097.80/28,649.40 = 5,948.80/x
  3. Step 3: Cross multiply
    19,097.80x = 28,649.40 × 5,948.80
  4. Step 4: Simplify right side
    19,097.80x = 170,429,550.72
  5. Step 5: Solve for x
    x = 170,429,550.72/19,097.80
  6. Step 6: Final answer
    x = 8,924.04

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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.