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Finding the Fourth Proportional to 57,303.72, 85,959.72 and 23,990.28

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Solution

The fourth proportional to 57,303.72, 85,959.72 and 23,990.28 is: 35,987.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,303.72 : 85,959.72 = 23,990.28 : x
  2. Step 2: Convert to fraction form
    57,303.72/85,959.72 = 23,990.28/x
  3. Step 3: Cross multiply
    57,303.72x = 85,959.72 × 23,990.28
  4. Step 4: Simplify right side
    57,303.72x = 2,062,197,751.52
  5. Step 5: Solve for x
    x = 2,062,197,751.52/57,303.72
  6. Step 6: Final answer
    x = 35,987.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.