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Finding the Fourth Proportional to 84,802.95, 117,013.01 and 48,979.89

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Solution

The fourth proportional to 84,802.95, 117,013.01 and 48,979.89 is: 67,583.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,802.95 : 117,013.01 = 48,979.89 : x
  2. Step 2: Convert to fraction form
    84,802.95/117,013.01 = 48,979.89/x
  3. Step 3: Cross multiply
    84,802.95x = 117,013.01 × 48,979.89
  4. Step 4: Simplify right side
    84,802.95x = 5,731,284,113.47
  5. Step 5: Solve for x
    x = 5,731,284,113.47/84,802.95
  6. Step 6: Final answer
    x = 67,583.55

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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.