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Finding the Fourth Proportional to 32,710.94, 45,137.37 and 18,368.87

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Solution

The fourth proportional to 32,710.94, 45,137.37 and 18,368.87 is: 25,346.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,710.94 : 45,137.37 = 18,368.87 : x
  2. Step 2: Convert to fraction form
    32,710.94/45,137.37 = 18,368.87/x
  3. Step 3: Cross multiply
    32,710.94x = 45,137.37 × 18,368.87
  4. Step 4: Simplify right side
    32,710.94x = 829,122,481.67
  5. Step 5: Solve for x
    x = 829,122,481.67/32,710.94
  6. Step 6: Final answer
    x = 25,346.95

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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.