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Finding the Fourth Proportional to 34,777.08, 47,994.40 and 19,671.08

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Solution

The fourth proportional to 34,777.08, 47,994.40 and 19,671.08 is: 27,147.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,777.08 : 47,994.40 = 19,671.08 : x
  2. Step 2: Convert to fraction form
    34,777.08/47,994.40 = 19,671.08/x
  3. Step 3: Cross multiply
    34,777.08x = 47,994.40 × 19,671.08
  4. Step 4: Simplify right side
    34,777.08x = 944,101,681.95
  5. Step 5: Solve for x
    x = 944,101,681.95/34,777.08
  6. Step 6: Final answer
    x = 27,147.24

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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.