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Finding the Fourth Proportional to 14,036.52, 19,370.08 and 7,662.86

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Solution

The fourth proportional to 14,036.52, 19,370.08 and 7,662.86 is: 10,574.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,036.52 : 19,370.08 = 7,662.86 : x
  2. Step 2: Convert to fraction form
    14,036.52/19,370.08 = 7,662.86/x
  3. Step 3: Cross multiply
    14,036.52x = 19,370.08 × 7,662.86
  4. Step 4: Simplify right side
    14,036.52x = 148,430,229.52
  5. Step 5: Solve for x
    x = 148,430,229.52/14,036.52
  6. Step 6: Final answer
    x = 10,574.58

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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.