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Finding the Fourth Proportional to 13,606,596.60, 20,409,894.90 and 6,804,151.80

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Solution

The fourth proportional to 13,606,596.60, 20,409,894.90 and 6,804,151.80 is: 10,206,227.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,606,596.60 : 20,409,894.90 = 6,804,151.80 : x
  2. Step 2: Convert to fraction form
    13,606,596.60/20,409,894.90 = 6,804,151.80/x
  3. Step 3: Cross multiply
    13,606,596.60x = 20,409,894.90 × 6,804,151.80
  4. Step 4: Simplify right side
    13,606,596.60x = 138,872,023,121,645.81
  5. Step 5: Solve for x
    x = 138,872,023,121,645.81/13,606,596.60
  6. Step 6: Final answer
    x = 10,206,227.70

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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.