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Finding the Fourth Proportional to 62,108.19, 93,133.62 and 19,980.45

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Solution

The fourth proportional to 62,108.19, 93,133.62 and 19,980.45 is: 29,961.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,108.19 : 93,133.62 = 19,980.45 : x
  2. Step 2: Convert to fraction form
    62,108.19/93,133.62 = 19,980.45/x
  3. Step 3: Cross multiply
    62,108.19x = 93,133.62 × 19,980.45
  4. Step 4: Simplify right side
    62,108.19x = 1,860,851,637.73
  5. Step 5: Solve for x
    x = 1,860,851,637.73/62,108.19
  6. Step 6: Final answer
    x = 29,961.45

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Double scale
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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.