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Finding the Fourth Proportional to 19,995.08, 30,012.04 and 9,614.12

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Solution

The fourth proportional to 19,995.08, 30,012.04 and 9,614.12 is: 14,430.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,995.08 : 30,012.04 = 9,614.12 : x
  2. Step 2: Convert to fraction form
    19,995.08/30,012.04 = 9,614.12/x
  3. Step 3: Cross multiply
    19,995.08x = 30,012.04 × 9,614.12
  4. Step 4: Simplify right side
    19,995.08x = 288,539,354.00
  5. Step 5: Solve for x
    x = 288,539,354.00/19,995.08
  6. Step 6: Final answer
    x = 14,430.52

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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.