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Finding the Fourth Proportional to 5,617.76, 8,426.93 and 4,303.40

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Solution

The fourth proportional to 5,617.76, 8,426.93 and 4,303.40 is: 6,455.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.76 : 8,426.93 = 4,303.40 : x
  2. Step 2: Convert to fraction form
    5,617.76/8,426.93 = 4,303.40/x
  3. Step 3: Cross multiply
    5,617.76x = 8,426.93 × 4,303.40
  4. Step 4: Simplify right side
    5,617.76x = 36,264,386.91
  5. Step 5: Solve for x
    x = 36,264,386.91/5,617.76
  6. Step 6: Final answer
    x = 6,455.32

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.