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Finding the Fourth Proportional to 33,649.68, 46,434.68 and 18,539.40

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Solution

The fourth proportional to 33,649.68, 46,434.68 and 18,539.40 is: 25,583.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,649.68 : 46,434.68 = 18,539.40 : x
  2. Step 2: Convert to fraction form
    33,649.68/46,434.68 = 18,539.40/x
  3. Step 3: Cross multiply
    33,649.68x = 46,434.68 × 18,539.40
  4. Step 4: Simplify right side
    33,649.68x = 860,871,106.39
  5. Step 5: Solve for x
    x = 860,871,106.39/33,649.68
  6. Step 6: Final answer
    x = 25,583.34

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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.