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Finding the Fourth Proportional to 8,703.24, 12,010.48 and 4,724.35

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Solution

The fourth proportional to 8,703.24, 12,010.48 and 4,724.35 is: 6,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703.24 : 12,010.48 = 4,724.35 : x
  2. Step 2: Convert to fraction form
    8,703.24/12,010.48 = 4,724.35/x
  3. Step 3: Cross multiply
    8,703.24x = 12,010.48 × 4,724.35
  4. Step 4: Simplify right side
    8,703.24x = 56,741,669.35
  5. Step 5: Solve for x
    x = 56,741,669.35/8,703.24
  6. Step 6: Final answer
    x = 6,519.60

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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.