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Finding the Fourth Proportional to 6,289.79, 9,432.32 and 1,845.99

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Solution

The fourth proportional to 6,289.79, 9,432.32 and 1,845.99 is: 2,768.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,289.79 : 9,432.32 = 1,845.99 : x
  2. Step 2: Convert to fraction form
    6,289.79/9,432.32 = 1,845.99/x
  3. Step 3: Cross multiply
    6,289.79x = 9,432.32 × 1,845.99
  4. Step 4: Simplify right side
    6,289.79x = 17,411,959.17
  5. Step 5: Solve for x
    x = 17,411,959.17/6,289.79
  6. Step 6: Final answer
    x = 2,768.29

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1.5x scale

Why These Related Problems?

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