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Finding the Fourth Proportional to 37,605.06, 56,406.78 and 9,903.06

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Solution

The fourth proportional to 37,605.06, 56,406.78 and 9,903.06 is: 14,854.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,605.06 : 56,406.78 = 9,903.06 : x
  2. Step 2: Convert to fraction form
    37,605.06/56,406.78 = 9,903.06/x
  3. Step 3: Cross multiply
    37,605.06x = 56,406.78 × 9,903.06
  4. Step 4: Simplify right side
    37,605.06x = 558,599,726.75
  5. Step 5: Solve for x
    x = 558,599,726.75/37,605.06
  6. Step 6: Final answer
    x = 14,854.38

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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.