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Finding the Fourth Proportional to 5,210.48, 7,806.99 and 5,008.16

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Solution

The fourth proportional to 5,210.48, 7,806.99 and 5,008.16 is: 7,503.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.48 : 7,806.99 = 5,008.16 : x
  2. Step 2: Convert to fraction form
    5,210.48/7,806.99 = 5,008.16/x
  3. Step 3: Cross multiply
    5,210.48x = 7,806.99 × 5,008.16
  4. Step 4: Simplify right side
    5,210.48x = 39,098,655.04
  5. Step 5: Solve for x
    x = 39,098,655.04/5,210.48
  6. Step 6: Final answer
    x = 7,503.85

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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.