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Finding the Fourth Proportional to 60,011.34, 82,768.41 and 55,987.26

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Solution

The fourth proportional to 60,011.34, 82,768.41 and 55,987.26 is: 77,218.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,011.34 : 82,768.41 = 55,987.26 : x
  2. Step 2: Convert to fraction form
    60,011.34/82,768.41 = 55,987.26/x
  3. Step 3: Cross multiply
    60,011.34x = 82,768.41 × 55,987.26
  4. Step 4: Simplify right side
    60,011.34x = 4,633,976,490.46
  5. Step 5: Solve for x
    x = 4,633,976,490.46/60,011.34
  6. Step 6: Final answer
    x = 77,218.35

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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.