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Finding the Fourth Proportional to 8,235.58, 12,332.32 and 4,533.74

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Solution

The fourth proportional to 8,235.58, 12,332.32 and 4,533.74 is: 6,789.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,235.58 : 12,332.32 = 4,533.74 : x
  2. Step 2: Convert to fraction form
    8,235.58/12,332.32 = 4,533.74/x
  3. Step 3: Cross multiply
    8,235.58x = 12,332.32 × 4,533.74
  4. Step 4: Simplify right side
    8,235.58x = 55,911,532.48
  5. Step 5: Solve for x
    x = 55,911,532.48/8,235.58
  6. Step 6: Final answer
    x = 6,789.02

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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.