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Finding the Fourth Proportional to 65,813.77, 90,823.02 and 35,599.08

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Solution

The fourth proportional to 65,813.77, 90,823.02 and 35,599.08 is: 49,126.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,813.77 : 90,823.02 = 35,599.08 : x
  2. Step 2: Convert to fraction form
    65,813.77/90,823.02 = 35,599.08/x
  3. Step 3: Cross multiply
    65,813.77x = 90,823.02 × 35,599.08
  4. Step 4: Simplify right side
    65,813.77x = 3,233,215,776.83
  5. Step 5: Solve for x
    x = 3,233,215,776.83/65,813.77
  6. Step 6: Final answer
    x = 49,126.74

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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.