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Finding the Fourth Proportional to 14,386.10, 21,591.97 and 7,370.89

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Solution

The fourth proportional to 14,386.10, 21,591.97 and 7,370.89 is: 11,062.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,386.10 : 21,591.97 = 7,370.89 : x
  2. Step 2: Convert to fraction form
    14,386.10/21,591.97 = 7,370.89/x
  3. Step 3: Cross multiply
    14,386.10x = 21,591.97 × 7,370.89
  4. Step 4: Simplify right side
    14,386.10x = 159,151,963.35
  5. Step 5: Solve for x
    x = 159,151,963.35/14,386.10
  6. Step 6: Final answer
    x = 11,062.90

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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.