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Finding the Fourth Proportional to 8,753.04, 12,069.54 and 6,507.72

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Solution

The fourth proportional to 8,753.04, 12,069.54 and 6,507.72 is: 8,973.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753.04 : 12,069.54 = 6,507.72 : x
  2. Step 2: Convert to fraction form
    8,753.04/12,069.54 = 6,507.72/x
  3. Step 3: Cross multiply
    8,753.04x = 12,069.54 × 6,507.72
  4. Step 4: Simplify right side
    8,753.04x = 78,545,186.85
  5. Step 5: Solve for x
    x = 78,545,186.85/8,753.04
  6. Step 6: Final answer
    x = 8,973.48

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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.