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Finding the Fourth Proportional to 30,357.84, 45,557.22 and 10,636.56

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Solution

The fourth proportional to 30,357.84, 45,557.22 and 10,636.56 is: 15,962.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,357.84 : 45,557.22 = 10,636.56 : x
  2. Step 2: Convert to fraction form
    30,357.84/45,557.22 = 10,636.56/x
  3. Step 3: Cross multiply
    30,357.84x = 45,557.22 × 10,636.56
  4. Step 4: Simplify right side
    30,357.84x = 484,572,103.96
  5. Step 5: Solve for x
    x = 484,572,103.96/30,357.84
  6. Step 6: Final answer
    x = 15,962.01

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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.