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Finding the Fourth Proportional to 42,751.50, 58,997.07 and 23,890.38

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Solution

The fourth proportional to 42,751.50, 58,997.07 and 23,890.38 is: 32,968.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,751.50 : 58,997.07 = 23,890.38 : x
  2. Step 2: Convert to fraction form
    42,751.50/58,997.07 = 23,890.38/x
  3. Step 3: Cross multiply
    42,751.50x = 58,997.07 × 23,890.38
  4. Step 4: Simplify right side
    42,751.50x = 1,409,462,421.19
  5. Step 5: Solve for x
    x = 1,409,462,421.19/42,751.50
  6. Step 6: Final answer
    x = 32,968.72

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1.5x scale

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.