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Finding the Fourth Proportional to 17,937.65, 26,902.53 and 6,840.45

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Solution

The fourth proportional to 17,937.65, 26,902.53 and 6,840.45 is: 10,259.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,937.65 : 26,902.53 = 6,840.45 : x
  2. Step 2: Convert to fraction form
    17,937.65/26,902.53 = 6,840.45/x
  3. Step 3: Cross multiply
    17,937.65x = 26,902.53 × 6,840.45
  4. Step 4: Simplify right side
    17,937.65x = 184,025,411.34
  5. Step 5: Solve for x
    x = 184,025,411.34/17,937.65
  6. Step 6: Final answer
    x = 10,259.17

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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.