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Finding the Fourth Proportional to 8,607.06, 12,935.50 and 5,703.82

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Solution

The fourth proportional to 8,607.06, 12,935.50 and 5,703.82 is: 8,572.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,607.06 : 12,935.50 = 5,703.82 : x
  2. Step 2: Convert to fraction form
    8,607.06/12,935.50 = 5,703.82/x
  3. Step 3: Cross multiply
    8,607.06x = 12,935.50 × 5,703.82
  4. Step 4: Simplify right side
    8,607.06x = 73,781,717.01
  5. Step 5: Solve for x
    x = 73,781,717.01/8,607.06
  6. Step 6: Final answer
    x = 8,572.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.