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Finding the Fourth Proportional to 56,312.84, 77,704.02 and 33,647.01

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Solution

The fourth proportional to 56,312.84, 77,704.02 and 33,647.01 is: 46,428.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,312.84 : 77,704.02 = 33,647.01 : x
  2. Step 2: Convert to fraction form
    56,312.84/77,704.02 = 33,647.01/x
  3. Step 3: Cross multiply
    56,312.84x = 77,704.02 × 33,647.01
  4. Step 4: Simplify right side
    56,312.84x = 2,614,507,937.98
  5. Step 5: Solve for x
    x = 2,614,507,937.98/56,312.84
  6. Step 6: Final answer
    x = 46,428.28

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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.