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Finding the Fourth Proportional to 34,992.19, 52,488.07 and 12,807.10

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Solution

The fourth proportional to 34,992.19, 52,488.07 and 12,807.10 is: 19,210.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,992.19 : 52,488.07 = 12,807.10 : x
  2. Step 2: Convert to fraction form
    34,992.19/52,488.07 = 12,807.10/x
  3. Step 3: Cross multiply
    34,992.19x = 52,488.07 × 12,807.10
  4. Step 4: Simplify right side
    34,992.19x = 672,219,961.30
  5. Step 5: Solve for x
    x = 672,219,961.30/34,992.19
  6. Step 6: Final answer
    x = 19,210.57

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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.