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Finding the Fourth Proportional to 61,622.37, 85,038.62 and 34,764.89

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Solution

The fourth proportional to 61,622.37, 85,038.62 and 34,764.89 is: 47,975.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,622.37 : 85,038.62 = 34,764.89 : x
  2. Step 2: Convert to fraction form
    61,622.37/85,038.62 = 34,764.89/x
  3. Step 3: Cross multiply
    61,622.37x = 85,038.62 × 34,764.89
  4. Step 4: Simplify right side
    61,622.37x = 2,956,357,671.03
  5. Step 5: Solve for x
    x = 2,956,357,671.03/61,622.37
  6. Step 6: Final answer
    x = 47,975.40

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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.