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Finding the Fourth Proportional to 62,108.66, 93,134.40 and 19,980.96

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Solution

The fourth proportional to 62,108.66, 93,134.40 and 19,980.96 is: 29,962.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,108.66 : 93,134.40 = 19,980.96 : x
  2. Step 2: Convert to fraction form
    62,108.66/93,134.40 = 19,980.96/x
  3. Step 3: Cross multiply
    62,108.66x = 93,134.40 × 19,980.96
  4. Step 4: Simplify right side
    62,108.66x = 1,860,914,721.02
  5. Step 5: Solve for x
    x = 1,860,914,721.02/62,108.66
  6. Step 6: Final answer
    x = 29,962.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.