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Finding the Fourth Proportional to 8,363.63, 11,541.79 and 4,826.84

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Solution

The fourth proportional to 8,363.63, 11,541.79 and 4,826.84 is: 6,661.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363.63 : 11,541.79 = 4,826.84 : x
  2. Step 2: Convert to fraction form
    8,363.63/11,541.79 = 4,826.84/x
  3. Step 3: Cross multiply
    8,363.63x = 11,541.79 × 4,826.84
  4. Step 4: Simplify right side
    8,363.63x = 55,710,386.89
  5. Step 5: Solve for x
    x = 55,710,386.89/8,363.63
  6. Step 6: Final answer
    x = 6,661.03

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1.5x scale

Why These Related Problems?

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