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Finding the Fourth Proportional to 58,699.34, 80,915.21 and 35,996.23

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Solution

The fourth proportional to 58,699.34, 80,915.21 and 35,996.23 is: 49,619.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,699.34 : 80,915.21 = 35,996.23 : x
  2. Step 2: Convert to fraction form
    58,699.34/80,915.21 = 35,996.23/x
  3. Step 3: Cross multiply
    58,699.34x = 80,915.21 × 35,996.23
  4. Step 4: Simplify right side
    58,699.34x = 2,912,642,509.66
  5. Step 5: Solve for x
    x = 2,912,642,509.66/58,699.34
  6. Step 6: Final answer
    x = 49,619.68

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Double scale
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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.