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Finding the Fourth Proportional to 60,357, 90,637.74 and 39,333

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Solution

The fourth proportional to 60,357, 90,637.74 and 39,333 is: 59,066.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,357 : 90,637.74 = 39,333 : x
  2. Step 2: Convert to fraction form
    60,357/90,637.74 = 39,333/x
  3. Step 3: Cross multiply
    60,357x = 90,637.74 × 39,333
  4. Step 4: Simplify right side
    60,357x = 3,565,054,227.42
  5. Step 5: Solve for x
    x = 3,565,054,227.42/60,357
  6. Step 6: Final answer
    x = 59,066.13

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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.