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Finding the Fourth Proportional to 63,483.21, 87,606.63 and 35,188.83

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Solution

The fourth proportional to 63,483.21, 87,606.63 and 35,188.83 is: 48,560.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,483.21 : 87,606.63 = 35,188.83 : x
  2. Step 2: Convert to fraction form
    63,483.21/87,606.63 = 35,188.83/x
  3. Step 3: Cross multiply
    63,483.21x = 87,606.63 × 35,188.83
  4. Step 4: Simplify right side
    63,483.21x = 3,082,774,809.94
  5. Step 5: Solve for x
    x = 3,082,774,809.94/63,483.21
  6. Step 6: Final answer
    x = 48,560.47

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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.