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Finding the Fourth Proportional to 36,671,752.50, 50,608,593.09 and 20,374,228.50

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Solution

The fourth proportional to 36,671,752.50, 50,608,593.09 and 20,374,228.50 is: 28,117,310.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,671,752.50 : 50,608,593.09 = 20,374,228.50 : x
  2. Step 2: Convert to fraction form
    36,671,752.50/50,608,593.09 = 20,374,228.50/x
  3. Step 3: Cross multiply
    36,671,752.50x = 50,608,593.09 × 20,374,228.50
  4. Step 4: Simplify right side
    36,671,752.50x = 1,031,111,039,679,181.12
  5. Step 5: Solve for x
    x = 1,031,111,039,679,181.12/36,671,752.50
  6. Step 6: Final answer
    x = 28,117,310.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.