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Finding the Fourth Proportional to 65,265.93, 90,073.35 and 36,590.49

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Solution

The fourth proportional to 65,265.93, 90,073.35 and 36,590.49 is: 50,498.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,265.93 : 90,073.35 = 36,590.49 : x
  2. Step 2: Convert to fraction form
    65,265.93/90,073.35 = 36,590.49/x
  3. Step 3: Cross multiply
    65,265.93x = 90,073.35 × 36,590.49
  4. Step 4: Simplify right side
    65,265.93x = 3,295,828,012.44
  5. Step 5: Solve for x
    x = 3,295,828,012.44/65,265.93
  6. Step 6: Final answer
    x = 50,498.45

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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.