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Finding the Fourth Proportional to 19,175.80, 28,812.30 and 17,037.40

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Solution

The fourth proportional to 19,175.80, 28,812.30 and 17,037.40 is: 25,599.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,175.80 : 28,812.30 = 17,037.40 : x
  2. Step 2: Convert to fraction form
    19,175.80/28,812.30 = 17,037.40/x
  3. Step 3: Cross multiply
    19,175.80x = 28,812.30 × 17,037.40
  4. Step 4: Simplify right side
    19,175.80x = 490,886,680.02
  5. Step 5: Solve for x
    x = 490,886,680.02/19,175.80
  6. Step 6: Final answer
    x = 25,599.28

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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.