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Finding the Fourth Proportional to 11,283, 16,925.40 and 3,887.46

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Solution

The fourth proportional to 11,283, 16,925.40 and 3,887.46 is: 5,831.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,283 : 16,925.40 = 3,887.46 : x
  2. Step 2: Convert to fraction form
    11,283/16,925.40 = 3,887.46/x
  3. Step 3: Cross multiply
    11,283x = 16,925.40 × 3,887.46
  4. Step 4: Simplify right side
    11,283x = 65,796,815.48
  5. Step 5: Solve for x
    x = 65,796,815.48/11,283
  6. Step 6: Final answer
    x = 5,831.50

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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.