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Finding the Fourth Proportional to 61,573.81, 85,027.85 and 46,440.58

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Solution

The fourth proportional to 61,573.81, 85,027.85 and 46,440.58 is: 64,130.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,573.81 : 85,027.85 = 46,440.58 : x
  2. Step 2: Convert to fraction form
    61,573.81/85,027.85 = 46,440.58/x
  3. Step 3: Cross multiply
    61,573.81x = 85,027.85 × 46,440.58
  4. Step 4: Simplify right side
    61,573.81x = 3,948,742,670.15
  5. Step 5: Solve for x
    x = 3,948,742,670.15/61,573.81
  6. Step 6: Final answer
    x = 64,130.23

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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.