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Finding the Fourth Proportional to 39,558,570.80, 59,348,353.80 and 13,996,914.80

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Solution

The fourth proportional to 39,558,570.80, 59,348,353.80 and 13,996,914.80 is: 20,999,086.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,558,570.80 : 59,348,353.80 = 13,996,914.80 : x
  2. Step 2: Convert to fraction form
    39,558,570.80/59,348,353.80 = 13,996,914.80/x
  3. Step 3: Cross multiply
    39,558,570.80x = 59,348,353.80 × 13,996,914.80
  4. Step 4: Simplify right side
    39,558,570.80x = 830,693,851,658,856.25
  5. Step 5: Solve for x
    x = 830,693,851,658,856.25/39,558,570.80
  6. Step 6: Final answer
    x = 20,999,086.54

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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.