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Finding the Fourth Proportional to 30,101.01, 41,539.74 and 16,672.50

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Solution

The fourth proportional to 30,101.01, 41,539.74 and 16,672.50 is: 23,008.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,101.01 : 41,539.74 = 16,672.50 : x
  2. Step 2: Convert to fraction form
    30,101.01/41,539.74 = 16,672.50/x
  3. Step 3: Cross multiply
    30,101.01x = 41,539.74 × 16,672.50
  4. Step 4: Simplify right side
    30,101.01x = 692,571,315.15
  5. Step 5: Solve for x
    x = 692,571,315.15/30,101.01
  6. Step 6: Final answer
    x = 23,008.24

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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.