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Finding the Fourth Proportional to 63,447.87, 87,554.50 and 34,762.12

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Solution

The fourth proportional to 63,447.87, 87,554.50 and 34,762.12 is: 47,969.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,447.87 : 87,554.50 = 34,762.12 : x
  2. Step 2: Convert to fraction form
    63,447.87/87,554.50 = 34,762.12/x
  3. Step 3: Cross multiply
    63,447.87x = 87,554.50 × 34,762.12
  4. Step 4: Simplify right side
    63,447.87x = 3,043,580,035.54
  5. Step 5: Solve for x
    x = 3,043,580,035.54/63,447.87
  6. Step 6: Final answer
    x = 47,969.77

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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.