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Finding the Fourth Proportional to 64,047.76, 88,384.44 and 35,756.08

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Solution

The fourth proportional to 64,047.76, 88,384.44 and 35,756.08 is: 49,342.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,047.76 : 88,384.44 = 35,756.08 : x
  2. Step 2: Convert to fraction form
    64,047.76/88,384.44 = 35,756.08/x
  3. Step 3: Cross multiply
    64,047.76x = 88,384.44 × 35,756.08
  4. Step 4: Simplify right side
    64,047.76x = 3,160,281,107.40
  5. Step 5: Solve for x
    x = 3,160,281,107.40/64,047.76
  6. Step 6: Final answer
    x = 49,342.57

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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.