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Finding the Fourth Proportional to 28,975.61, 43,461.26 and 9,256.25

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Solution

The fourth proportional to 28,975.61, 43,461.26 and 9,256.25 is: 13,883.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,975.61 : 43,461.26 = 9,256.25 : x
  2. Step 2: Convert to fraction form
    28,975.61/43,461.26 = 9,256.25/x
  3. Step 3: Cross multiply
    28,975.61x = 43,461.26 × 9,256.25
  4. Step 4: Simplify right side
    28,975.61x = 402,288,241.59
  5. Step 5: Solve for x
    x = 402,288,241.59/28,975.61
  6. Step 6: Final answer
    x = 13,883.68

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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.