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Finding the Fourth Proportional to 8,315.93, 11,475.68 and 4,957.01

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Solution

The fourth proportional to 8,315.93, 11,475.68 and 4,957.01 is: 6,840.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315.93 : 11,475.68 = 4,957.01 : x
  2. Step 2: Convert to fraction form
    8,315.93/11,475.68 = 4,957.01/x
  3. Step 3: Cross multiply
    8,315.93x = 11,475.68 × 4,957.01
  4. Step 4: Simplify right side
    8,315.93x = 56,884,978.35
  5. Step 5: Solve for x
    x = 56,884,978.35/8,315.93
  6. Step 6: Final answer
    x = 6,840.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.