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Finding the Fourth Proportional to 34,707.88, 47,894.94 and 19,603.63

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Solution

The fourth proportional to 34,707.88, 47,894.94 and 19,603.63 is: 27,051.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,707.88 : 47,894.94 = 19,603.63 : x
  2. Step 2: Convert to fraction form
    34,707.88/47,894.94 = 19,603.63/x
  3. Step 3: Cross multiply
    34,707.88x = 47,894.94 × 19,603.63
  4. Step 4: Simplify right side
    34,707.88x = 938,914,682.63
  5. Step 5: Solve for x
    x = 938,914,682.63/34,707.88
  6. Step 6: Final answer
    x = 27,051.92

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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.