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Finding the Fourth Proportional to 30,073.84, 45,113.79 and 10,349.80

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Solution

The fourth proportional to 30,073.84, 45,113.79 and 10,349.80 is: 15,525.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,073.84 : 45,113.79 = 10,349.80 : x
  2. Step 2: Convert to fraction form
    30,073.84/45,113.79 = 10,349.80/x
  3. Step 3: Cross multiply
    30,073.84x = 45,113.79 × 10,349.80
  4. Step 4: Simplify right side
    30,073.84x = 466,918,703.74
  5. Step 5: Solve for x
    x = 466,918,703.74/30,073.84
  6. Step 6: Final answer
    x = 15,525.74

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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.