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Finding the Fourth Proportional to 32,607.82, 45,009.51 and 19,178.50

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Solution

The fourth proportional to 32,607.82, 45,009.51 and 19,178.50 is: 26,472.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,607.82 : 45,009.51 = 19,178.50 : x
  2. Step 2: Convert to fraction form
    32,607.82/45,009.51 = 19,178.50/x
  3. Step 3: Cross multiply
    32,607.82x = 45,009.51 × 19,178.50
  4. Step 4: Simplify right side
    32,607.82x = 863,214,887.54
  5. Step 5: Solve for x
    x = 863,214,887.54/32,607.82
  6. Step 6: Final answer
    x = 26,472.63

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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.