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Finding the Fourth Proportional to 32,697.90, 45,128.16 and 19,273.50

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Solution

The fourth proportional to 32,697.90, 45,128.16 and 19,273.50 is: 26,600.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,697.90 : 45,128.16 = 19,273.50 : x
  2. Step 2: Convert to fraction form
    32,697.90/45,128.16 = 19,273.50/x
  3. Step 3: Cross multiply
    32,697.90x = 45,128.16 × 19,273.50
  4. Step 4: Simplify right side
    32,697.90x = 869,777,591.76
  5. Step 5: Solve for x
    x = 869,777,591.76/32,697.90
  6. Step 6: Final answer
    x = 26,600.41

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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.