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Finding the Fourth Proportional to 7,513.60, 10,371 and 4,860.94

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Solution

The fourth proportional to 7,513.60, 10,371 and 4,860.94 is: 6,709.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,513.60 : 10,371 = 4,860.94 : x
  2. Step 2: Convert to fraction form
    7,513.60/10,371 = 4,860.94/x
  3. Step 3: Cross multiply
    7,513.60x = 10,371 × 4,860.94
  4. Step 4: Simplify right side
    7,513.60x = 50,412,808.74
  5. Step 5: Solve for x
    x = 50,412,808.74/7,513.60
  6. Step 6: Final answer
    x = 6,709.54

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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.