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Finding the Fourth Proportional to 4,386.08, 6,580.16 and 1,308

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Solution

The fourth proportional to 4,386.08, 6,580.16 and 1,308 is: 1,962.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,386.08 : 6,580.16 = 1,308 : x
  2. Step 2: Convert to fraction form
    4,386.08/6,580.16 = 1,308/x
  3. Step 3: Cross multiply
    4,386.08x = 6,580.16 × 1,308
  4. Step 4: Simplify right side
    4,386.08x = 8,606,849.28
  5. Step 5: Solve for x
    x = 8,606,849.28/4,386.08
  6. Step 6: Final answer
    x = 1,962.31

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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.