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Finding the Fourth Proportional to 53,990.70, 74,488.02 and 36,097.02

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Solution

The fourth proportional to 53,990.70, 74,488.02 and 36,097.02 is: 49,801.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,990.70 : 74,488.02 = 36,097.02 : x
  2. Step 2: Convert to fraction form
    53,990.70/74,488.02 = 36,097.02/x
  3. Step 3: Cross multiply
    53,990.70x = 74,488.02 × 36,097.02
  4. Step 4: Simplify right side
    53,990.70x = 2,688,795,547.70
  5. Step 5: Solve for x
    x = 2,688,795,547.70/53,990.70
  6. Step 6: Final answer
    x = 49,801.09

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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.