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Finding the Fourth Proportional to 62,281.78, 93,412.62 and 17,898.40

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Solution

The fourth proportional to 62,281.78, 93,412.62 and 17,898.40 is: 26,844.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,281.78 : 93,412.62 = 17,898.40 : x
  2. Step 2: Convert to fraction form
    62,281.78/93,412.62 = 17,898.40/x
  3. Step 3: Cross multiply
    62,281.78x = 93,412.62 × 17,898.40
  4. Step 4: Simplify right side
    62,281.78x = 1,671,936,437.81
  5. Step 5: Solve for x
    x = 1,671,936,437.81/62,281.78
  6. Step 6: Final answer
    x = 26,844.71

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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.