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Finding the Fourth Proportional to 5,259.15, 7,875.97 and 5,022.23

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Solution

The fourth proportional to 5,259.15, 7,875.97 and 5,022.23 is: 7,521.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.15 : 7,875.97 = 5,022.23 : x
  2. Step 2: Convert to fraction form
    5,259.15/7,875.97 = 5,022.23/x
  3. Step 3: Cross multiply
    5,259.15x = 7,875.97 × 5,022.23
  4. Step 4: Simplify right side
    5,259.15x = 39,554,880.88
  5. Step 5: Solve for x
    x = 39,554,880.88/5,259.15
  6. Step 6: Final answer
    x = 7,521.15

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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.