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Finding the Fourth Proportional to 50,763.79, 76,130.88 and 15,223.69

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Solution

The fourth proportional to 50,763.79, 76,130.88 and 15,223.69 is: 22,831.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,763.79 : 76,130.88 = 15,223.69 : x
  2. Step 2: Convert to fraction form
    50,763.79/76,130.88 = 15,223.69/x
  3. Step 3: Cross multiply
    50,763.79x = 76,130.88 × 15,223.69
  4. Step 4: Simplify right side
    50,763.79x = 1,158,992,916.55
  5. Step 5: Solve for x
    x = 1,158,992,916.55/50,763.79
  6. Step 6: Final answer
    x = 22,831.10

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1.5x scale

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.