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Finding the Fourth Proportional to 16,814,509.20, 25,221,763.80 and 11,074,946.40

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Solution

The fourth proportional to 16,814,509.20, 25,221,763.80 and 11,074,946.40 is: 16,612,419.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,814,509.20 : 25,221,763.80 = 11,074,946.40 : x
  2. Step 2: Convert to fraction form
    16,814,509.20/25,221,763.80 = 11,074,946.40/x
  3. Step 3: Cross multiply
    16,814,509.20x = 25,221,763.80 × 11,074,946.40
  4. Step 4: Simplify right side
    16,814,509.20x = 279,329,682,198,460.34
  5. Step 5: Solve for x
    x = 279,329,682,198,460.34/16,814,509.20
  6. Step 6: Final answer
    x = 16,612,419.60

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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.