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Finding the Fourth Proportional to 8,637.51, 12,956.54 and 2,397.59

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Solution

The fourth proportional to 8,637.51, 12,956.54 and 2,397.59 is: 3,596.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637.51 : 12,956.54 = 2,397.59 : x
  2. Step 2: Convert to fraction form
    8,637.51/12,956.54 = 2,397.59/x
  3. Step 3: Cross multiply
    8,637.51x = 12,956.54 × 2,397.59
  4. Step 4: Simplify right side
    8,637.51x = 31,064,393.97
  5. Step 5: Solve for x
    x = 31,064,393.97/8,637.51
  6. Step 6: Final answer
    x = 3,596.45

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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.