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Finding the Fourth Proportional to 64,304.90, 88,739.81 and 35,624.50

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Solution

The fourth proportional to 64,304.90, 88,739.81 and 35,624.50 is: 49,161.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,304.90 : 88,739.81 = 35,624.50 : x
  2. Step 2: Convert to fraction form
    64,304.90/88,739.81 = 35,624.50/x
  3. Step 3: Cross multiply
    64,304.90x = 88,739.81 × 35,624.50
  4. Step 4: Simplify right side
    64,304.90x = 3,161,311,494.13
  5. Step 5: Solve for x
    x = 3,161,311,494.13/64,304.90
  6. Step 6: Final answer
    x = 49,161.28

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1.5x scale

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.