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Finding the Fourth Proportional to 5,009.39, 6,898.92 and 4,900.40

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Solution

The fourth proportional to 5,009.39, 6,898.92 and 4,900.40 is: 6,748.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.39 : 6,898.92 = 4,900.40 : x
  2. Step 2: Convert to fraction form
    5,009.39/6,898.92 = 4,900.40/x
  3. Step 3: Cross multiply
    5,009.39x = 6,898.92 × 4,900.40
  4. Step 4: Simplify right side
    5,009.39x = 33,807,468.13
  5. Step 5: Solve for x
    x = 33,807,468.13/5,009.39
  6. Step 6: Final answer
    x = 6,748.81

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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.