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Finding the Fourth Proportional to 35,485.83, 53,227.40 and 8,831.88

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Solution

The fourth proportional to 35,485.83, 53,227.40 and 8,831.88 is: 13,247.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,485.83 : 53,227.40 = 8,831.88 : x
  2. Step 2: Convert to fraction form
    35,485.83/53,227.40 = 8,831.88/x
  3. Step 3: Cross multiply
    35,485.83x = 53,227.40 × 8,831.88
  4. Step 4: Simplify right side
    35,485.83x = 470,097,965.35
  5. Step 5: Solve for x
    x = 470,097,965.35/35,485.83
  6. Step 6: Final answer
    x = 13,247.48

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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.