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Finding the Fourth Proportional to 30,241.12, 45,303.12 and 17,053.12

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Solution

The fourth proportional to 30,241.12, 45,303.12 and 17,053.12 is: 25,546.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,241.12 : 45,303.12 = 17,053.12 : x
  2. Step 2: Convert to fraction form
    30,241.12/45,303.12 = 17,053.12/x
  3. Step 3: Cross multiply
    30,241.12x = 45,303.12 × 17,053.12
  4. Step 4: Simplify right side
    30,241.12x = 772,559,541.73
  5. Step 5: Solve for x
    x = 772,559,541.73/30,241.12
  6. Step 6: Final answer
    x = 25,546.66

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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.