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Finding the Fourth Proportional to 8,703.84, 12,011.76 and 4,927.85

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Solution

The fourth proportional to 8,703.84, 12,011.76 and 4,927.85 is: 6,800.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703.84 : 12,011.76 = 4,927.85 : x
  2. Step 2: Convert to fraction form
    8,703.84/12,011.76 = 4,927.85/x
  3. Step 3: Cross multiply
    8,703.84x = 12,011.76 × 4,927.85
  4. Step 4: Simplify right side
    8,703.84x = 59,192,091.46
  5. Step 5: Solve for x
    x = 59,192,091.46/8,703.84
  6. Step 6: Final answer
    x = 6,800.69

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Double scale
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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.