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Finding the Fourth Proportional to 30,062.09, 45,063.09 and 14,239.01

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Solution

The fourth proportional to 30,062.09, 45,063.09 and 14,239.01 is: 21,344.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,062.09 : 45,063.09 = 14,239.01 : x
  2. Step 2: Convert to fraction form
    30,062.09/45,063.09 = 14,239.01/x
  3. Step 3: Cross multiply
    30,062.09x = 45,063.09 × 14,239.01
  4. Step 4: Simplify right side
    30,062.09x = 641,653,563.83
  5. Step 5: Solve for x
    x = 641,653,563.83/30,062.09
  6. Step 6: Final answer
    x = 21,344.28

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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.