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Finding the Fourth Proportional to 8,767.59, 13,130.43 and 4,812.77

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Solution

The fourth proportional to 8,767.59, 13,130.43 and 4,812.77 is: 7,207.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,767.59 : 13,130.43 = 4,812.77 : x
  2. Step 2: Convert to fraction form
    8,767.59/13,130.43 = 4,812.77/x
  3. Step 3: Cross multiply
    8,767.59x = 13,130.43 × 4,812.77
  4. Step 4: Simplify right side
    8,767.59x = 63,193,673.94
  5. Step 5: Solve for x
    x = 63,193,673.94/8,767.59
  6. Step 6: Final answer
    x = 7,207.64

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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.