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Finding the Fourth Proportional to 61,900.93, 85,428.57 and 35,048.17

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Solution

The fourth proportional to 61,900.93, 85,428.57 and 35,048.17 is: 48,369.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,900.93 : 85,428.57 = 35,048.17 : x
  2. Step 2: Convert to fraction form
    61,900.93/85,428.57 = 35,048.17/x
  3. Step 3: Cross multiply
    61,900.93x = 85,428.57 × 35,048.17
  4. Step 4: Simplify right side
    61,900.93x = 2,994,115,044.22
  5. Step 5: Solve for x
    x = 2,994,115,044.22/61,900.93
  6. Step 6: Final answer
    x = 48,369.47

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1.5x scale

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.