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Finding the Fourth Proportional to 42,488.46, 63,719.64 and 14,020.15

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Solution

The fourth proportional to 42,488.46, 63,719.64 and 14,020.15 is: 21,025.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,488.46 : 63,719.64 = 14,020.15 : x
  2. Step 2: Convert to fraction form
    42,488.46/63,719.64 = 14,020.15/x
  3. Step 3: Cross multiply
    42,488.46x = 63,719.64 × 14,020.15
  4. Step 4: Simplify right side
    42,488.46x = 893,358,652.28
  5. Step 5: Solve for x
    x = 893,358,652.28/42,488.46
  6. Step 6: Final answer
    x = 21,025.91

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