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Finding the Fourth Proportional to 43,681.26, 65,521.88 and 10,849.26

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Solution

The fourth proportional to 43,681.26, 65,521.88 and 10,849.26 is: 16,273.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,681.26 : 65,521.88 = 10,849.26 : x
  2. Step 2: Convert to fraction form
    43,681.26/65,521.88 = 10,849.26/x
  3. Step 3: Cross multiply
    43,681.26x = 65,521.88 × 10,849.26
  4. Step 4: Simplify right side
    43,681.26x = 710,863,911.81
  5. Step 5: Solve for x
    x = 710,863,911.81/43,681.26
  6. Step 6: Final answer
    x = 16,273.89

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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.