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Finding the Fourth Proportional to 30,284.40, 41,798.50 and 17,539.68

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Solution

The fourth proportional to 30,284.40, 41,798.50 and 17,539.68 is: 24,208.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,284.40 : 41,798.50 = 17,539.68 : x
  2. Step 2: Convert to fraction form
    30,284.40/41,798.50 = 17,539.68/x
  3. Step 3: Cross multiply
    30,284.40x = 41,798.50 × 17,539.68
  4. Step 4: Simplify right side
    30,284.40x = 733,132,314.48
  5. Step 5: Solve for x
    x = 733,132,314.48/30,284.40
  6. Step 6: Final answer
    x = 24,208.25

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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.