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Finding the Fourth Proportional to 37,687,054.80, 56,530,582.20 and 13,453,345.20

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Solution

The fourth proportional to 37,687,054.80, 56,530,582.20 and 13,453,345.20 is: 20,180,017.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,687,054.80 : 56,530,582.20 = 13,453,345.20 : x
  2. Step 2: Convert to fraction form
    37,687,054.80/56,530,582.20 = 13,453,345.20/x
  3. Step 3: Cross multiply
    37,687,054.80x = 56,530,582.20 × 13,453,345.20
  4. Step 4: Simplify right side
    37,687,054.80x = 760,525,436,693,575.50
  5. Step 5: Solve for x
    x = 760,525,436,693,575.50/37,687,054.80
  6. Step 6: Final answer
    x = 20,180,017.80

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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.