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Finding the Fourth Proportional to 8,392.74, 12,583.44 and 4,697.52

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Solution

The fourth proportional to 8,392.74, 12,583.44 and 4,697.52 is: 7,043.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,392.74 : 12,583.44 = 4,697.52 : x
  2. Step 2: Convert to fraction form
    8,392.74/12,583.44 = 4,697.52/x
  3. Step 3: Cross multiply
    8,392.74x = 12,583.44 × 4,697.52
  4. Step 4: Simplify right side
    8,392.74x = 59,110,961.07
  5. Step 5: Solve for x
    x = 59,110,961.07/8,392.74
  6. Step 6: Final answer
    x = 7,043.11

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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.