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Finding the Fourth Proportional to 8,732, 12,051.38 and 5,594.87

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Solution

The fourth proportional to 8,732, 12,051.38 and 5,594.87 is: 7,721.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,732 : 12,051.38 = 5,594.87 : x
  2. Step 2: Convert to fraction form
    8,732/12,051.38 = 5,594.87/x
  3. Step 3: Cross multiply
    8,732x = 12,051.38 × 5,594.87
  4. Step 4: Simplify right side
    8,732x = 67,425,904.42
  5. Step 5: Solve for x
    x = 67,425,904.42/8,732
  6. Step 6: Final answer
    x = 7,721.70

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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.