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Finding the Fourth Proportional to 35,615.92, 53,426.96 and 9,320.64

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Solution

The fourth proportional to 35,615.92, 53,426.96 and 9,320.64 is: 13,981.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,615.92 : 53,426.96 = 9,320.64 : x
  2. Step 2: Convert to fraction form
    35,615.92/53,426.96 = 9,320.64/x
  3. Step 3: Cross multiply
    35,615.92x = 53,426.96 × 9,320.64
  4. Step 4: Simplify right side
    35,615.92x = 497,973,460.45
  5. Step 5: Solve for x
    x = 497,973,460.45/35,615.92
  6. Step 6: Final answer
    x = 13,981.77

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