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Finding the Fourth Proportional to 64,207.64, 88,606.76 and 35,911.50

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Solution

The fourth proportional to 64,207.64, 88,606.76 and 35,911.50 is: 49,557.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,207.64 : 88,606.76 = 35,911.50 : x
  2. Step 2: Convert to fraction form
    64,207.64/88,606.76 = 35,911.50/x
  3. Step 3: Cross multiply
    64,207.64x = 88,606.76 × 35,911.50
  4. Step 4: Simplify right side
    64,207.64x = 3,182,001,482.18
  5. Step 5: Solve for x
    x = 3,182,001,482.18/64,207.64
  6. Step 6: Final answer
    x = 49,557.99

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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.