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Finding the Fourth Proportional to 62,045.42, 93,032.82 and 42,347.84

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Solution

The fourth proportional to 62,045.42, 93,032.82 and 42,347.84 is: 63,497.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,045.42 : 93,032.82 = 42,347.84 : x
  2. Step 2: Convert to fraction form
    62,045.42/93,032.82 = 42,347.84/x
  3. Step 3: Cross multiply
    62,045.42x = 93,032.82 × 42,347.84
  4. Step 4: Simplify right side
    62,045.42x = 3,939,738,976.11
  5. Step 5: Solve for x
    x = 3,939,738,976.11/62,045.42
  6. Step 6: Final answer
    x = 63,497.66

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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.