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Finding the Fourth Proportional to 34,062.48, 47,006.64 and 19,158.48

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Solution

The fourth proportional to 34,062.48, 47,006.64 and 19,158.48 is: 26,438.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,062.48 : 47,006.64 = 19,158.48 : x
  2. Step 2: Convert to fraction form
    34,062.48/47,006.64 = 19,158.48/x
  3. Step 3: Cross multiply
    34,062.48x = 47,006.64 × 19,158.48
  4. Step 4: Simplify right side
    34,062.48x = 900,575,772.31
  5. Step 5: Solve for x
    x = 900,575,772.31/34,062.48
  6. Step 6: Final answer
    x = 26,438.94

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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.