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Finding the Fourth Proportional to 64,347.78, 88,802.37 and 36,052.50

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Solution

The fourth proportional to 64,347.78, 88,802.37 and 36,052.50 is: 49,753.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,347.78 : 88,802.37 = 36,052.50 : x
  2. Step 2: Convert to fraction form
    64,347.78/88,802.37 = 36,052.50/x
  3. Step 3: Cross multiply
    64,347.78x = 88,802.37 × 36,052.50
  4. Step 4: Simplify right side
    64,347.78x = 3,201,547,444.43
  5. Step 5: Solve for x
    x = 3,201,547,444.43/64,347.78
  6. Step 6: Final answer
    x = 49,753.81

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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.