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Finding the Fourth Proportional to 6,516.68, 8,985.82 and 5,887.04

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Solution

The fourth proportional to 6,516.68, 8,985.82 and 5,887.04 is: 8,117.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,516.68 : 8,985.82 = 5,887.04 : x
  2. Step 2: Convert to fraction form
    6,516.68/8,985.82 = 5,887.04/x
  3. Step 3: Cross multiply
    6,516.68x = 8,985.82 × 5,887.04
  4. Step 4: Simplify right side
    6,516.68x = 52,899,881.77
  5. Step 5: Solve for x
    x = 52,899,881.77/6,516.68
  6. Step 6: Final answer
    x = 8,117.61

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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.