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Finding the Fourth Proportional to 12,491.01, 18,746.10 and 4,601.07

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Solution

The fourth proportional to 12,491.01, 18,746.10 and 4,601.07 is: 6,905.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,491.01 : 18,746.10 = 4,601.07 : x
  2. Step 2: Convert to fraction form
    12,491.01/18,746.10 = 4,601.07/x
  3. Step 3: Cross multiply
    12,491.01x = 18,746.10 × 4,601.07
  4. Step 4: Simplify right side
    12,491.01x = 86,252,118.33
  5. Step 5: Solve for x
    x = 86,252,118.33/12,491.01
  6. Step 6: Final answer
    x = 6,905.14

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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.