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Finding the Fourth Proportional to 37,479.61, 56,219.37 and 9,777.61

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Solution

The fourth proportional to 37,479.61, 56,219.37 and 9,777.61 is: 14,666.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,479.61 : 56,219.37 = 9,777.61 : x
  2. Step 2: Convert to fraction form
    37,479.61/56,219.37 = 9,777.61/x
  3. Step 3: Cross multiply
    37,479.61x = 56,219.37 × 9,777.61
  4. Step 4: Simplify right side
    37,479.61x = 549,691,107.91
  5. Step 5: Solve for x
    x = 549,691,107.91/37,479.61
  6. Step 6: Final answer
    x = 14,666.40

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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.