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Finding the Fourth Proportional to 65,599.32, 90,526.60 and 37,305

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Solution

The fourth proportional to 65,599.32, 90,526.60 and 37,305 is: 51,480.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,599.32 : 90,526.60 = 37,305 : x
  2. Step 2: Convert to fraction form
    65,599.32/90,526.60 = 37,305/x
  3. Step 3: Cross multiply
    65,599.32x = 90,526.60 × 37,305
  4. Step 4: Simplify right side
    65,599.32x = 3,377,094,813
  5. Step 5: Solve for x
    x = 3,377,094,813/65,599.32
  6. Step 6: Final answer
    x = 51,480.64

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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.