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Finding the Fourth Proportional to 37,479.86, 56,219.78 and 15,303.68

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Solution

The fourth proportional to 37,479.86, 56,219.78 and 15,303.68 is: 22,955.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,479.86 : 56,219.78 = 15,303.68 : x
  2. Step 2: Convert to fraction form
    37,479.86/56,219.78 = 15,303.68/x
  3. Step 3: Cross multiply
    37,479.86x = 56,219.78 × 15,303.68
  4. Step 4: Simplify right side
    37,479.86x = 860,369,279.95
  5. Step 5: Solve for x
    x = 860,369,279.95/37,479.86
  6. Step 6: Final answer
    x = 22,955.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.