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Finding the Fourth Proportional to 53,047.76, 79,887.50 and 46,204.88

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Solution

The fourth proportional to 53,047.76, 79,887.50 and 46,204.88 is: 69,582.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,047.76 : 79,887.50 = 46,204.88 : x
  2. Step 2: Convert to fraction form
    53,047.76/79,887.50 = 46,204.88/x
  3. Step 3: Cross multiply
    53,047.76x = 79,887.50 × 46,204.88
  4. Step 4: Simplify right side
    53,047.76x = 3,691,192,351
  5. Step 5: Solve for x
    x = 3,691,192,351/53,047.76
  6. Step 6: Final answer
    x = 69,582.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.