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Finding the Fourth Proportional to 65,658.16, 90,597.72 and 37,364.32

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Solution

The fourth proportional to 65,658.16, 90,597.72 and 37,364.32 is: 51,556.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,658.16 : 90,597.72 = 37,364.32 : x
  2. Step 2: Convert to fraction form
    65,658.16/90,597.72 = 37,364.32/x
  3. Step 3: Cross multiply
    65,658.16x = 90,597.72 × 37,364.32
  4. Step 4: Simplify right side
    65,658.16x = 3,385,122,201.35
  5. Step 5: Solve for x
    x = 3,385,122,201.35/65,658.16
  6. Step 6: Final answer
    x = 51,556.76

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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.