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Finding the Fourth Proportional to 7,295.61, 10,920.78 and 5,897.28

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Solution

The fourth proportional to 7,295.61, 10,920.78 and 5,897.28 is: 8,827.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,295.61 : 10,920.78 = 5,897.28 : x
  2. Step 2: Convert to fraction form
    7,295.61/10,920.78 = 5,897.28/x
  3. Step 3: Cross multiply
    7,295.61x = 10,920.78 × 5,897.28
  4. Step 4: Simplify right side
    7,295.61x = 64,402,897.48
  5. Step 5: Solve for x
    x = 64,402,897.48/7,295.61
  6. Step 6: Final answer
    x = 8,827.62

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