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Finding the Fourth Proportional to 8,892.85, 13,346.94 and 4,948.05

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Solution

The fourth proportional to 8,892.85, 13,346.94 and 4,948.05 is: 7,426.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,892.85 : 13,346.94 = 4,948.05 : x
  2. Step 2: Convert to fraction form
    8,892.85/13,346.94 = 4,948.05/x
  3. Step 3: Cross multiply
    8,892.85x = 13,346.94 × 4,948.05
  4. Step 4: Simplify right side
    8,892.85x = 66,041,276.42
  5. Step 5: Solve for x
    x = 66,041,276.42/8,892.85
  6. Step 6: Final answer
    x = 7,426.34

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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.