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Finding the Fourth Proportional to 32,603, 44,994.39 and 18,455.90

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Solution

The fourth proportional to 32,603, 44,994.39 and 18,455.90 is: 25,470.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,603 : 44,994.39 = 18,455.90 : x
  2. Step 2: Convert to fraction form
    32,603/44,994.39 = 18,455.90/x
  3. Step 3: Cross multiply
    32,603x = 44,994.39 × 18,455.90
  4. Step 4: Simplify right side
    32,603x = 830,411,962.40
  5. Step 5: Solve for x
    x = 830,411,962.40/32,603
  6. Step 6: Final answer
    x = 25,470.42

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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.