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Finding the Fourth Proportional to 73,631.84, 101,614.64 and 40,100.32

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Solution

The fourth proportional to 73,631.84, 101,614.64 and 40,100.32 is: 55,339.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,631.84 : 101,614.64 = 40,100.32 : x
  2. Step 2: Convert to fraction form
    73,631.84/101,614.64 = 40,100.32/x
  3. Step 3: Cross multiply
    73,631.84x = 101,614.64 × 40,100.32
  4. Step 4: Simplify right side
    73,631.84x = 4,074,779,580.68
  5. Step 5: Solve for x
    x = 4,074,779,580.68/73,631.84
  6. Step 6: Final answer
    x = 55,339.91

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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.