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Finding the Fourth Proportional to 19,235.61, 28,850.53 and 6,086.28

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Solution

The fourth proportional to 19,235.61, 28,850.53 and 6,086.28 is: 9,128.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,235.61 : 28,850.53 = 6,086.28 : x
  2. Step 2: Convert to fraction form
    19,235.61/28,850.53 = 6,086.28/x
  3. Step 3: Cross multiply
    19,235.61x = 28,850.53 × 6,086.28
  4. Step 4: Simplify right side
    19,235.61x = 175,592,280.32
  5. Step 5: Solve for x
    x = 175,592,280.32/19,235.61
  6. Step 6: Final answer
    x = 9,128.50

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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.