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Finding the Fourth Proportional to 30,600.42, 45,866.07 and 15,028.98

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Solution

The fourth proportional to 30,600.42, 45,866.07 and 15,028.98 is: 22,526.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,600.42 : 45,866.07 = 15,028.98 : x
  2. Step 2: Convert to fraction form
    30,600.42/45,866.07 = 15,028.98/x
  3. Step 3: Cross multiply
    30,600.42x = 45,866.07 × 15,028.98
  4. Step 4: Simplify right side
    30,600.42x = 689,320,248.71
  5. Step 5: Solve for x
    x = 689,320,248.71/30,600.42
  6. Step 6: Final answer
    x = 22,526.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.