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Finding the Fourth Proportional to 73,647.84, 101,630.40 and 41,812.56

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Solution

The fourth proportional to 73,647.84, 101,630.40 and 41,812.56 is: 57,699.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,647.84 : 101,630.40 = 41,812.56 : x
  2. Step 2: Convert to fraction form
    73,647.84/101,630.40 = 41,812.56/x
  3. Step 3: Cross multiply
    73,647.84x = 101,630.40 × 41,812.56
  4. Step 4: Simplify right side
    73,647.84x = 4,249,427,197.82
  5. Step 5: Solve for x
    x = 4,249,427,197.82/73,647.84
  6. Step 6: Final answer
    x = 57,699.28

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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.