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Finding the Fourth Proportional to 66,094.88, 98,666.89 and 56,633

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Solution

The fourth proportional to 66,094.88, 98,666.89 and 56,633 is: 84,542.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,094.88 : 98,666.89 = 56,633 : x
  2. Step 2: Convert to fraction form
    66,094.88/98,666.89 = 56,633/x
  3. Step 3: Cross multiply
    66,094.88x = 98,666.89 × 56,633
  4. Step 4: Simplify right side
    66,094.88x = 5,587,801,981.37
  5. Step 5: Solve for x
    x = 5,587,801,981.37/66,094.88
  6. Step 6: Final answer
    x = 84,542.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.