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Finding the Fourth Proportional to 73,809.63, 101,857.23 and 40,275.63

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Solution

The fourth proportional to 73,809.63, 101,857.23 and 40,275.63 is: 55,580.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,809.63 : 101,857.23 = 40,275.63 : x
  2. Step 2: Convert to fraction form
    73,809.63/101,857.23 = 40,275.63/x
  3. Step 3: Cross multiply
    73,809.63x = 101,857.23 × 40,275.63
  4. Step 4: Simplify right side
    73,809.63x = 4,102,364,108.30
  5. Step 5: Solve for x
    x = 4,102,364,108.30/73,809.63
  6. Step 6: Final answer
    x = 55,580.34

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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.