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Finding the Fourth Proportional to 19,252.20, 28,902.60 and 10,374.60

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Solution

The fourth proportional to 19,252.20, 28,902.60 and 10,374.60 is: 15,574.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,252.20 : 28,902.60 = 10,374.60 : x
  2. Step 2: Convert to fraction form
    19,252.20/28,902.60 = 10,374.60/x
  3. Step 3: Cross multiply
    19,252.20x = 28,902.60 × 10,374.60
  4. Step 4: Simplify right side
    19,252.20x = 299,852,913.96
  5. Step 5: Solve for x
    x = 299,852,913.96/19,252.20
  6. Step 6: Final answer
    x = 15,574.99

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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.