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Finding the Fourth Proportional to 58,728.96, 88,064.74 and 40,968.14

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Solution

The fourth proportional to 58,728.96, 88,064.74 and 40,968.14 is: 61,432.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,728.96 : 88,064.74 = 40,968.14 : x
  2. Step 2: Convert to fraction form
    58,728.96/88,064.74 = 40,968.14/x
  3. Step 3: Cross multiply
    58,728.96x = 88,064.74 × 40,968.14
  4. Step 4: Simplify right side
    58,728.96x = 3,607,848,597.38
  5. Step 5: Solve for x
    x = 3,607,848,597.38/58,728.96
  6. Step 6: Final answer
    x = 61,432.19

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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.