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Finding the Fourth Proportional to 45,288.52, 67,627.81 and 36,985.01

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Solution

The fourth proportional to 45,288.52, 67,627.81 and 36,985.01 is: 55,228.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,288.52 : 67,627.81 = 36,985.01 : x
  2. Step 2: Convert to fraction form
    45,288.52/67,627.81 = 36,985.01/x
  3. Step 3: Cross multiply
    45,288.52x = 67,627.81 × 36,985.01
  4. Step 4: Simplify right side
    45,288.52x = 2,501,214,937.22
  5. Step 5: Solve for x
    x = 2,501,214,937.22/45,288.52
  6. Step 6: Final answer
    x = 55,228.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.