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Finding the Fourth Proportional to 32,990.58, 49,485.15 and 8,030.76

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Solution

The fourth proportional to 32,990.58, 49,485.15 and 8,030.76 is: 12,045.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,990.58 : 49,485.15 = 8,030.76 : x
  2. Step 2: Convert to fraction form
    32,990.58/49,485.15 = 8,030.76/x
  3. Step 3: Cross multiply
    32,990.58x = 49,485.15 × 8,030.76
  4. Step 4: Simplify right side
    32,990.58x = 397,403,363.21
  5. Step 5: Solve for x
    x = 397,403,363.21/32,990.58
  6. Step 6: Final answer
    x = 12,045.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.