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Finding the Fourth Proportional to 32,811.90, 45,280.41 and 17,907.90

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Solution

The fourth proportional to 32,811.90, 45,280.41 and 17,907.90 is: 24,712.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,811.90 : 45,280.41 = 17,907.90 : x
  2. Step 2: Convert to fraction form
    32,811.90/45,280.41 = 17,907.90/x
  3. Step 3: Cross multiply
    32,811.90x = 45,280.41 × 17,907.90
  4. Step 4: Simplify right side
    32,811.90x = 810,877,054.24
  5. Step 5: Solve for x
    x = 810,877,054.24/32,811.90
  6. Step 6: Final answer
    x = 24,712.90

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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.