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Finding the Fourth Proportional to 64,285.77, 88,718.45 and 35,993.01

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Solution

The fourth proportional to 64,285.77, 88,718.45 and 35,993.01 is: 49,672.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,285.77 : 88,718.45 = 35,993.01 : x
  2. Step 2: Convert to fraction form
    64,285.77/88,718.45 = 35,993.01/x
  3. Step 3: Cross multiply
    64,285.77x = 88,718.45 × 35,993.01
  4. Step 4: Simplify right side
    64,285.77x = 3,193,243,878.07
  5. Step 5: Solve for x
    x = 3,193,243,878.07/64,285.77
  6. Step 6: Final answer
    x = 49,672.64

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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.