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Finding the Fourth Proportional to 15,280.94, 22,924.12 and 7,883.40

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Solution

The fourth proportional to 15,280.94, 22,924.12 and 7,883.40 is: 11,826.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,280.94 : 22,924.12 = 7,883.40 : x
  2. Step 2: Convert to fraction form
    15,280.94/22,924.12 = 7,883.40/x
  3. Step 3: Cross multiply
    15,280.94x = 22,924.12 × 7,883.40
  4. Step 4: Simplify right side
    15,280.94x = 180,720,007.61
  5. Step 5: Solve for x
    x = 180,720,007.61/15,280.94
  6. Step 6: Final answer
    x = 11,826.50

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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.