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Finding the Fourth Proportional to 73,762.94, 101,792.40 and 41,931.84

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Solution

The fourth proportional to 73,762.94, 101,792.40 and 41,931.84 is: 57,865.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,762.94 : 101,792.40 = 41,931.84 : x
  2. Step 2: Convert to fraction form
    73,762.94/101,792.40 = 41,931.84/x
  3. Step 3: Cross multiply
    73,762.94x = 101,792.40 × 41,931.84
  4. Step 4: Simplify right side
    73,762.94x = 4,268,342,854.49
  5. Step 5: Solve for x
    x = 4,268,342,854.49/73,762.94
  6. Step 6: Final answer
    x = 57,865.68

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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.