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Finding the Fourth Proportional to 50,102.48, 69,153.90 and 28,894.52

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Solution

The fourth proportional to 50,102.48, 69,153.90 and 28,894.52 is: 39,881.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,102.48 : 69,153.90 = 28,894.52 : x
  2. Step 2: Convert to fraction form
    50,102.48/69,153.90 = 28,894.52/x
  3. Step 3: Cross multiply
    50,102.48x = 69,153.90 × 28,894.52
  4. Step 4: Simplify right side
    50,102.48x = 1,998,168,746.63
  5. Step 5: Solve for x
    x = 1,998,168,746.63/50,102.48
  6. Step 6: Final answer
    x = 39,881.63

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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.