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Finding the Fourth Proportional to 8,902.94, 12,285.92 and 4,923.97

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Solution

The fourth proportional to 8,902.94, 12,285.92 and 4,923.97 is: 6,795.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902.94 : 12,285.92 = 4,923.97 : x
  2. Step 2: Convert to fraction form
    8,902.94/12,285.92 = 4,923.97/x
  3. Step 3: Cross multiply
    8,902.94x = 12,285.92 × 4,923.97
  4. Step 4: Simplify right side
    8,902.94x = 60,495,483.10
  5. Step 5: Solve for x
    x = 60,495,483.10/8,902.94
  6. Step 6: Final answer
    x = 6,795.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.