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Finding the Fourth Proportional to 8,703.47, 12,007.92 and 4,926.26

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Solution

The fourth proportional to 8,703.47, 12,007.92 and 4,926.26 is: 6,796.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703.47 : 12,007.92 = 4,926.26 : x
  2. Step 2: Convert to fraction form
    8,703.47/12,007.92 = 4,926.26/x
  3. Step 3: Cross multiply
    8,703.47x = 12,007.92 × 4,926.26
  4. Step 4: Simplify right side
    8,703.47x = 59,154,075.94
  5. Step 5: Solve for x
    x = 59,154,075.94/8,703.47
  6. Step 6: Final answer
    x = 6,796.61

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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.