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Finding the Fourth Proportional to 63,595.96, 87,762.76 and 39,736.46

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Solution

The fourth proportional to 63,595.96, 87,762.76 and 39,736.46 is: 54,836.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,595.96 : 87,762.76 = 39,736.46 : x
  2. Step 2: Convert to fraction form
    63,595.96/87,762.76 = 39,736.46/x
  3. Step 3: Cross multiply
    63,595.96x = 87,762.76 × 39,736.46
  4. Step 4: Simplify right side
    63,595.96x = 3,487,381,402.23
  5. Step 5: Solve for x
    x = 3,487,381,402.23/63,595.96
  6. Step 6: Final answer
    x = 54,836.52

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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.