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Finding the Fourth Proportional to 8,703.73, 12,011.01 and 4,724.81

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Solution

The fourth proportional to 8,703.73, 12,011.01 and 4,724.81 is: 6,520.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703.73 : 12,011.01 = 4,724.81 : x
  2. Step 2: Convert to fraction form
    8,703.73/12,011.01 = 4,724.81/x
  3. Step 3: Cross multiply
    8,703.73x = 12,011.01 × 4,724.81
  4. Step 4: Simplify right side
    8,703.73x = 56,749,740.16
  5. Step 5: Solve for x
    x = 56,749,740.16/8,703.73
  6. Step 6: Final answer
    x = 6,520.16

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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.