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Finding the Fourth Proportional to 8,903.70, 13,356.99 and 3,973.23

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Solution

The fourth proportional to 8,903.70, 13,356.99 and 3,973.23 is: 5,960.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903.70 : 13,356.99 = 3,973.23 : x
  2. Step 2: Convert to fraction form
    8,903.70/13,356.99 = 3,973.23/x
  3. Step 3: Cross multiply
    8,903.70x = 13,356.99 × 3,973.23
  4. Step 4: Simplify right side
    8,903.70x = 53,070,393.38
  5. Step 5: Solve for x
    x = 53,070,393.38/8,903.70
  6. Step 6: Final answer
    x = 5,960.49

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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.