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Finding the Fourth Proportional to 30,586.84, 45,806.10 and 15,554.41

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Solution

The fourth proportional to 30,586.84, 45,806.10 and 15,554.41 is: 23,293.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,586.84 : 45,806.10 = 15,554.41 : x
  2. Step 2: Convert to fraction form
    30,586.84/45,806.10 = 15,554.41/x
  3. Step 3: Cross multiply
    30,586.84x = 45,806.10 × 15,554.41
  4. Step 4: Simplify right side
    30,586.84x = 712,486,859.90
  5. Step 5: Solve for x
    x = 712,486,859.90/30,586.84
  6. Step 6: Final answer
    x = 23,293.90

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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.