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Finding the Fourth Proportional to 9,801.72, 13,527.36 and 5,823.72

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Solution

The fourth proportional to 9,801.72, 13,527.36 and 5,823.72 is: 8,037.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,801.72 : 13,527.36 = 5,823.72 : x
  2. Step 2: Convert to fraction form
    9,801.72/13,527.36 = 5,823.72/x
  3. Step 3: Cross multiply
    9,801.72x = 13,527.36 × 5,823.72
  4. Step 4: Simplify right side
    9,801.72x = 78,779,556.98
  5. Step 5: Solve for x
    x = 78,779,556.98/9,801.72
  6. Step 6: Final answer
    x = 8,037.32

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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.