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Finding the Fourth Proportional to 30,604.56, 45,868.48 and 13,053.84

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Solution

The fourth proportional to 30,604.56, 45,868.48 and 13,053.84 is: 19,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,604.56 : 45,868.48 = 13,053.84 : x
  2. Step 2: Convert to fraction form
    30,604.56/45,868.48 = 13,053.84/x
  3. Step 3: Cross multiply
    30,604.56x = 45,868.48 × 13,053.84
  4. Step 4: Simplify right side
    30,604.56x = 598,759,798.96
  5. Step 5: Solve for x
    x = 598,759,798.96/30,604.56
  6. Step 6: Final answer
    x = 19,564.40

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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.