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Finding the Fourth Proportional to 73,504.10, 101,492.80 and 56,481.51

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Solution

The fourth proportional to 73,504.10, 101,492.80 and 56,481.51 is: 77,988.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,504.10 : 101,492.80 = 56,481.51 : x
  2. Step 2: Convert to fraction form
    73,504.10/101,492.80 = 56,481.51/x
  3. Step 3: Cross multiply
    73,504.10x = 101,492.80 × 56,481.51
  4. Step 4: Simplify right side
    73,504.10x = 5,732,466,837.52
  5. Step 5: Solve for x
    x = 5,732,466,837.52/73,504.10
  6. Step 6: Final answer
    x = 77,988.39

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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.