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Finding the Fourth Proportional to 73,483.84, 101,407.62 and 39,949.84

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Solution

The fourth proportional to 73,483.84, 101,407.62 and 39,949.84 is: 55,130.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,483.84 : 101,407.62 = 39,949.84 : x
  2. Step 2: Convert to fraction form
    73,483.84/101,407.62 = 39,949.84/x
  3. Step 3: Cross multiply
    73,483.84x = 101,407.62 × 39,949.84
  4. Step 4: Simplify right side
    73,483.84x = 4,051,218,193.78
  5. Step 5: Solve for x
    x = 4,051,218,193.78/73,483.84
  6. Step 6: Final answer
    x = 55,130.74

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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.