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Finding the Fourth Proportional to 40,992.04, 61,495.08 and 18,807.32

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Solution

The fourth proportional to 40,992.04, 61,495.08 and 18,807.32 is: 28,214.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,992.04 : 61,495.08 = 18,807.32 : x
  2. Step 2: Convert to fraction form
    40,992.04/61,495.08 = 18,807.32/x
  3. Step 3: Cross multiply
    40,992.04x = 61,495.08 × 18,807.32
  4. Step 4: Simplify right side
    40,992.04x = 1,156,557,836.99
  5. Step 5: Solve for x
    x = 1,156,557,836.99/40,992.04
  6. Step 6: Final answer
    x = 28,214.20

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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.