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Finding the Fourth Proportional to 17,809,788.80, 26,714,683.20 and 4,346,616.80

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Solution

The fourth proportional to 17,809,788.80, 26,714,683.20 and 4,346,616.80 is: 6,519,925.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,809,788.80 : 26,714,683.20 = 4,346,616.80 : x
  2. Step 2: Convert to fraction form
    17,809,788.80/26,714,683.20 = 4,346,616.80/x
  3. Step 3: Cross multiply
    17,809,788.80x = 26,714,683.20 × 4,346,616.80
  4. Step 4: Simplify right side
    17,809,788.80x = 116,118,490,803,797.75
  5. Step 5: Solve for x
    x = 116,118,490,803,797.75/17,809,788.80
  6. Step 6: Final answer
    x = 6,519,925.20

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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.