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Finding the Fourth Proportional to 44,281,637.80, 66,398,837.10 and 18,693,737.80

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Solution

The fourth proportional to 44,281,637.80, 66,398,837.10 and 18,693,737.80 is: 28,030,635.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,281,637.80 : 66,398,837.10 = 18,693,737.80 : x
  2. Step 2: Convert to fraction form
    44,281,637.80/66,398,837.10 = 18,693,737.80/x
  3. Step 3: Cross multiply
    44,281,637.80x = 66,398,837.10 × 18,693,737.80
  4. Step 4: Simplify right side
    44,281,637.80x = 1,241,242,450,972,312.50
  5. Step 5: Solve for x
    x = 1,241,242,450,972,312.50/44,281,637.80
  6. Step 6: Final answer
    x = 28,030,635.56

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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.