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Finding the Fourth Proportional to 7,532.05, 10,402.95 and 5,009.79

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Solution

The fourth proportional to 7,532.05, 10,402.95 and 5,009.79 is: 6,919.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,532.05 : 10,402.95 = 5,009.79 : x
  2. Step 2: Convert to fraction form
    7,532.05/10,402.95 = 5,009.79/x
  3. Step 3: Cross multiply
    7,532.05x = 10,402.95 × 5,009.79
  4. Step 4: Simplify right side
    7,532.05x = 52,116,594.88
  5. Step 5: Solve for x
    x = 52,116,594.88/7,532.05
  6. Step 6: Final answer
    x = 6,919.31

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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.