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Finding the Fourth Proportional to 8,560.61, 11,813.63 and 4,834.61

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Solution

The fourth proportional to 8,560.61, 11,813.63 and 4,834.61 is: 6,671.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560.61 : 11,813.63 = 4,834.61 : x
  2. Step 2: Convert to fraction form
    8,560.61/11,813.63 = 4,834.61/x
  3. Step 3: Cross multiply
    8,560.61x = 11,813.63 × 4,834.61
  4. Step 4: Simplify right side
    8,560.61x = 57,114,210.49
  5. Step 5: Solve for x
    x = 57,114,210.49/8,560.61
  6. Step 6: Final answer
    x = 6,671.75

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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.