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Finding the Fourth Proportional to 34,064.01, 47,001.15 and 19,914.12

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Solution

The fourth proportional to 34,064.01, 47,001.15 and 19,914.12 is: 27,477.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,064.01 : 47,001.15 = 19,914.12 : x
  2. Step 2: Convert to fraction form
    34,064.01/47,001.15 = 19,914.12/x
  3. Step 3: Cross multiply
    34,064.01x = 47,001.15 × 19,914.12
  4. Step 4: Simplify right side
    34,064.01x = 935,986,541.24
  5. Step 5: Solve for x
    x = 935,986,541.24/34,064.01
  6. Step 6: Final answer
    x = 27,477.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.