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Finding the Fourth Proportional to 30,230.94, 41,710.95 and 17,648.46

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Solution

The fourth proportional to 30,230.94, 41,710.95 and 17,648.46 is: 24,350.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,230.94 : 41,710.95 = 17,648.46 : x
  2. Step 2: Convert to fraction form
    30,230.94/41,710.95 = 17,648.46/x
  3. Step 3: Cross multiply
    30,230.94x = 41,710.95 × 17,648.46
  4. Step 4: Simplify right side
    30,230.94x = 736,134,032.64
  5. Step 5: Solve for x
    x = 736,134,032.64/30,230.94
  6. Step 6: Final answer
    x = 24,350.35

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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.