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Finding the Fourth Proportional to 28,851.50, 43,277.25 and 6,963.50

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Solution

The fourth proportional to 28,851.50, 43,277.25 and 6,963.50 is: 10,445.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,851.50 : 43,277.25 = 6,963.50 : x
  2. Step 2: Convert to fraction form
    28,851.50/43,277.25 = 6,963.50/x
  3. Step 3: Cross multiply
    28,851.50x = 43,277.25 × 6,963.50
  4. Step 4: Simplify right side
    28,851.50x = 301,361,130.38
  5. Step 5: Solve for x
    x = 301,361,130.38/28,851.50
  6. Step 6: Final answer
    x = 10,445.25

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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.