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Finding the Fourth Proportional to 32,692, 45,118.80 and 19,444

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Solution

The fourth proportional to 32,692, 45,118.80 and 19,444 is: 26,835.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,692 : 45,118.80 = 19,444 : x
  2. Step 2: Convert to fraction form
    32,692/45,118.80 = 19,444/x
  3. Step 3: Cross multiply
    32,692x = 45,118.80 × 19,444
  4. Step 4: Simplify right side
    32,692x = 877,289,947.20
  5. Step 5: Solve for x
    x = 877,289,947.20/32,692
  6. Step 6: Final answer
    x = 26,835.00

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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.