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Finding the Fourth Proportional to 64,476.61, 88,981.75 and 37,253.86

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Solution

The fourth proportional to 64,476.61, 88,981.75 and 37,253.86 is: 51,412.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,476.61 : 88,981.75 = 37,253.86 : x
  2. Step 2: Convert to fraction form
    64,476.61/88,981.75 = 37,253.86/x
  3. Step 3: Cross multiply
    64,476.61x = 88,981.75 × 37,253.86
  4. Step 4: Simplify right side
    64,476.61x = 3,314,913,657.06
  5. Step 5: Solve for x
    x = 3,314,913,657.06/64,476.61
  6. Step 6: Final answer
    x = 51,412.65

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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.