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Finding the Fourth Proportional to 65,250.47, 90,052.90 and 36,574.85

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Solution

The fourth proportional to 65,250.47, 90,052.90 and 36,574.85 is: 50,477.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,250.47 : 90,052.90 = 36,574.85 : x
  2. Step 2: Convert to fraction form
    65,250.47/90,052.90 = 36,574.85/x
  3. Step 3: Cross multiply
    65,250.47x = 90,052.90 × 36,574.85
  4. Step 4: Simplify right side
    65,250.47x = 3,293,671,443.26
  5. Step 5: Solve for x
    x = 3,293,671,443.26/65,250.47
  6. Step 6: Final answer
    x = 50,477.36

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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.