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Finding the Fourth Proportional to 58,657.17, 80,927.86 and 33,161.07

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Solution

The fourth proportional to 58,657.17, 80,927.86 and 33,161.07 is: 45,751.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,657.17 : 80,927.86 = 33,161.07 : x
  2. Step 2: Convert to fraction form
    58,657.17/80,927.86 = 33,161.07/x
  3. Step 3: Cross multiply
    58,657.17x = 80,927.86 × 33,161.07
  4. Step 4: Simplify right side
    58,657.17x = 2,683,654,430.41
  5. Step 5: Solve for x
    x = 2,683,654,430.41/58,657.17
  6. Step 6: Final answer
    x = 45,751.52

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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.