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Finding the Fourth Proportional to 37,347.75, 56,021.73 and 9,645.75

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Solution

The fourth proportional to 37,347.75, 56,021.73 and 9,645.75 is: 14,468.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,347.75 : 56,021.73 = 9,645.75 : x
  2. Step 2: Convert to fraction form
    37,347.75/56,021.73 = 9,645.75/x
  3. Step 3: Cross multiply
    37,347.75x = 56,021.73 × 9,645.75
  4. Step 4: Simplify right side
    37,347.75x = 540,371,602.15
  5. Step 5: Solve for x
    x = 540,371,602.15/37,347.75
  6. Step 6: Final answer
    x = 14,468.65

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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.