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Finding the Fourth Proportional to 77,592.10, 107,058.21 and 47,366.41

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Solution

The fourth proportional to 77,592.10, 107,058.21 and 47,366.41 is: 65,354.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,592.10 : 107,058.21 = 47,366.41 : x
  2. Step 2: Convert to fraction form
    77,592.10/107,058.21 = 47,366.41/x
  3. Step 3: Cross multiply
    77,592.10x = 107,058.21 × 47,366.41
  4. Step 4: Simplify right side
    77,592.10x = 5,070,963,068.73
  5. Step 5: Solve for x
    x = 5,070,963,068.73/77,592.10
  6. Step 6: Final answer
    x = 65,354.12

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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.