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Finding the Fourth Proportional to 37,500.80, 56,259.30 and 11,208.20

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Solution

The fourth proportional to 37,500.80, 56,259.30 and 11,208.20 is: 16,814.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,500.80 : 56,259.30 = 11,208.20 : x
  2. Step 2: Convert to fraction form
    37,500.80/56,259.30 = 11,208.20/x
  3. Step 3: Cross multiply
    37,500.80x = 56,259.30 × 11,208.20
  4. Step 4: Simplify right side
    37,500.80x = 630,565,486.26
  5. Step 5: Solve for x
    x = 630,565,486.26/37,500.80
  6. Step 6: Final answer
    x = 16,814.72

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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.