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Finding the Fourth Proportional to 30,797.48, 42,500.58 and 17,368.88

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Solution

The fourth proportional to 30,797.48, 42,500.58 and 17,368.88 is: 23,969.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,797.48 : 42,500.58 = 17,368.88 : x
  2. Step 2: Convert to fraction form
    30,797.48/42,500.58 = 17,368.88/x
  3. Step 3: Cross multiply
    30,797.48x = 42,500.58 × 17,368.88
  4. Step 4: Simplify right side
    30,797.48x = 738,187,473.95
  5. Step 5: Solve for x
    x = 738,187,473.95/30,797.48
  6. Step 6: Final answer
    x = 23,969.09

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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.