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Finding the Fourth Proportional to 65,610.24, 90,541.92 and 35,802.24

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Solution

The fourth proportional to 65,610.24, 90,541.92 and 35,802.24 is: 49,406.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,610.24 : 90,541.92 = 35,802.24 : x
  2. Step 2: Convert to fraction form
    65,610.24/90,541.92 = 35,802.24/x
  3. Step 3: Cross multiply
    65,610.24x = 90,541.92 × 35,802.24
  4. Step 4: Simplify right side
    65,610.24x = 3,241,603,549.90
  5. Step 5: Solve for x
    x = 3,241,603,549.90/65,610.24
  6. Step 6: Final answer
    x = 49,406.98

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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.