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Finding the Fourth Proportional to 4,986.48, 7,465.22 and 2,900.13

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Solution

The fourth proportional to 4,986.48, 7,465.22 and 2,900.13 is: 4,341.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.48 : 7,465.22 = 2,900.13 : x
  2. Step 2: Convert to fraction form
    4,986.48/7,465.22 = 2,900.13/x
  3. Step 3: Cross multiply
    4,986.48x = 7,465.22 × 2,900.13
  4. Step 4: Simplify right side
    4,986.48x = 21,650,108.48
  5. Step 5: Solve for x
    x = 21,650,108.48/4,986.48
  6. Step 6: Final answer
    x = 4,341.76

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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.