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Finding the Fourth Proportional to 32,992.20, 49,430.70 and 28,384.20

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Solution

The fourth proportional to 32,992.20, 49,430.70 and 28,384.20 is: 42,526.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,992.20 : 49,430.70 = 28,384.20 : x
  2. Step 2: Convert to fraction form
    32,992.20/49,430.70 = 28,384.20/x
  3. Step 3: Cross multiply
    32,992.20x = 49,430.70 × 28,384.20
  4. Step 4: Simplify right side
    32,992.20x = 1,403,050,874.94
  5. Step 5: Solve for x
    x = 1,403,050,874.94/32,992.20
  6. Step 6: Final answer
    x = 42,526.74

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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.