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Finding the Fourth Proportional to 74,586.81, 102,924.06 and 47,360.89

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Solution

The fourth proportional to 74,586.81, 102,924.06 and 47,360.89 is: 65,354.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,586.81 : 102,924.06 = 47,360.89 : x
  2. Step 2: Convert to fraction form
    74,586.81/102,924.06 = 47,360.89/x
  3. Step 3: Cross multiply
    74,586.81x = 102,924.06 × 47,360.89
  4. Step 4: Simplify right side
    74,586.81x = 4,874,575,084.01
  5. Step 5: Solve for x
    x = 4,874,575,084.01/74,586.81
  6. Step 6: Final answer
    x = 65,354.38

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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.