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Finding the Fourth Proportional to 9,012.58, 12,437.80 and 5,033.60

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Solution

The fourth proportional to 9,012.58, 12,437.80 and 5,033.60 is: 6,946.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,012.58 : 12,437.80 = 5,033.60 : x
  2. Step 2: Convert to fraction form
    9,012.58/12,437.80 = 5,033.60/x
  3. Step 3: Cross multiply
    9,012.58x = 12,437.80 × 5,033.60
  4. Step 4: Simplify right side
    9,012.58x = 62,606,910.08
  5. Step 5: Solve for x
    x = 62,606,910.08/9,012.58
  6. Step 6: Final answer
    x = 6,946.61

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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.