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Finding the Fourth Proportional to 5,037.68, 6,952.04 and 2,913.21

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Solution

The fourth proportional to 5,037.68, 6,952.04 and 2,913.21 is: 4,020.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,037.68 : 6,952.04 = 2,913.21 : x
  2. Step 2: Convert to fraction form
    5,037.68/6,952.04 = 2,913.21/x
  3. Step 3: Cross multiply
    5,037.68x = 6,952.04 × 2,913.21
  4. Step 4: Simplify right side
    5,037.68x = 20,252,748.81
  5. Step 5: Solve for x
    x = 20,252,748.81/5,037.68
  6. Step 6: Final answer
    x = 4,020.25

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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.