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Finding the Fourth Proportional to 9,036.60, 12,461.76 and 7,046.43

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Solution

The fourth proportional to 9,036.60, 12,461.76 and 7,046.43 is: 9,717.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,036.60 : 12,461.76 = 7,046.43 : x
  2. Step 2: Convert to fraction form
    9,036.60/12,461.76 = 7,046.43/x
  3. Step 3: Cross multiply
    9,036.60x = 12,461.76 × 7,046.43
  4. Step 4: Simplify right side
    9,036.60x = 87,810,919.52
  5. Step 5: Solve for x
    x = 87,810,919.52/9,036.60
  6. Step 6: Final answer
    x = 9,717.25

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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.