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Finding the Fourth Proportional to 42,762.68, 58,950.42 and 29,976.02

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Solution

The fourth proportional to 42,762.68, 58,950.42 and 29,976.02 is: 41,323.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,762.68 : 58,950.42 = 29,976.02 : x
  2. Step 2: Convert to fraction form
    42,762.68/58,950.42 = 29,976.02/x
  3. Step 3: Cross multiply
    42,762.68x = 58,950.42 × 29,976.02
  4. Step 4: Simplify right side
    42,762.68x = 1,767,098,968.93
  5. Step 5: Solve for x
    x = 1,767,098,968.93/42,762.68
  6. Step 6: Final answer
    x = 41,323.39

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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.