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Finding the Fourth Proportional to 5,206.07, 7,812.55 and 4,860.07

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Solution

The fourth proportional to 5,206.07, 7,812.55 and 4,860.07 is: 7,293.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.07 : 7,812.55 = 4,860.07 : x
  2. Step 2: Convert to fraction form
    5,206.07/7,812.55 = 4,860.07/x
  3. Step 3: Cross multiply
    5,206.07x = 7,812.55 × 4,860.07
  4. Step 4: Simplify right side
    5,206.07x = 37,969,539.88
  5. Step 5: Solve for x
    x = 37,969,539.88/5,206.07
  6. Step 6: Final answer
    x = 7,293.32

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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.