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Finding the Fourth Proportional to 39,347.68, 53,994.32 and 35,783.68

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Solution

The fourth proportional to 39,347.68, 53,994.32 and 35,783.68 is: 49,103.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,347.68 : 53,994.32 = 35,783.68 : x
  2. Step 2: Convert to fraction form
    39,347.68/53,994.32 = 35,783.68/x
  3. Step 3: Cross multiply
    39,347.68x = 53,994.32 × 35,783.68
  4. Step 4: Simplify right side
    39,347.68x = 1,932,115,468.70
  5. Step 5: Solve for x
    x = 1,932,115,468.70/39,347.68
  6. Step 6: Final answer
    x = 49,103.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.