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Finding the Fourth Proportional to 15,937.72, 23,907.06 and 5,945.08

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Solution

The fourth proportional to 15,937.72, 23,907.06 and 5,945.08 is: 8,917.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,937.72 : 23,907.06 = 5,945.08 : x
  2. Step 2: Convert to fraction form
    15,937.72/23,907.06 = 5,945.08/x
  3. Step 3: Cross multiply
    15,937.72x = 23,907.06 × 5,945.08
  4. Step 4: Simplify right side
    15,937.72x = 142,129,384.26
  5. Step 5: Solve for x
    x = 142,129,384.26/15,937.72
  6. Step 6: Final answer
    x = 8,917.80

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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.