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Finding the Fourth Proportional to 6,274.48, 8,659.47 and 4,005.89

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Solution

The fourth proportional to 6,274.48, 8,659.47 and 4,005.89 is: 5,528.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,274.48 : 8,659.47 = 4,005.89 : x
  2. Step 2: Convert to fraction form
    6,274.48/8,659.47 = 4,005.89/x
  3. Step 3: Cross multiply
    6,274.48x = 8,659.47 × 4,005.89
  4. Step 4: Simplify right side
    6,274.48x = 34,688,884.28
  5. Step 5: Solve for x
    x = 34,688,884.28/6,274.48
  6. Step 6: Final answer
    x = 5,528.57

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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.