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Finding the Fourth Proportional to 32,990.88, 49,486.32 and 28,535.30

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Solution

The fourth proportional to 32,990.88, 49,486.32 and 28,535.30 is: 42,802.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,990.88 : 49,486.32 = 28,535.30 : x
  2. Step 2: Convert to fraction form
    32,990.88/49,486.32 = 28,535.30/x
  3. Step 3: Cross multiply
    32,990.88x = 49,486.32 × 28,535.30
  4. Step 4: Simplify right side
    32,990.88x = 1,412,106,987.10
  5. Step 5: Solve for x
    x = 1,412,106,987.10/32,990.88
  6. Step 6: Final answer
    x = 42,802.95

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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.