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Finding the Fourth Proportional to 8,903.60, 13,355.25 and 2,663.63

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Solution

The fourth proportional to 8,903.60, 13,355.25 and 2,663.63 is: 3,995.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903.60 : 13,355.25 = 2,663.63 : x
  2. Step 2: Convert to fraction form
    8,903.60/13,355.25 = 2,663.63/x
  3. Step 3: Cross multiply
    8,903.60x = 13,355.25 × 2,663.63
  4. Step 4: Simplify right side
    8,903.60x = 35,573,444.56
  5. Step 5: Solve for x
    x = 35,573,444.56/8,903.60
  6. Step 6: Final answer
    x = 3,995.40

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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.