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Finding the Fourth Proportional to 61,924.72, 85,526.40 and 41,746.72

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Solution

The fourth proportional to 61,924.72, 85,526.40 and 41,746.72 is: 57,657.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,924.72 : 85,526.40 = 41,746.72 : x
  2. Step 2: Convert to fraction form
    61,924.72/85,526.40 = 41,746.72/x
  3. Step 3: Cross multiply
    61,924.72x = 85,526.40 × 41,746.72
  4. Step 4: Simplify right side
    61,924.72x = 3,570,446,673.41
  5. Step 5: Solve for x
    x = 3,570,446,673.41/61,924.72
  6. Step 6: Final answer
    x = 57,657.86

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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.