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Finding the Fourth Proportional to 8,954,788.64, 13,430,870.76 and 4,404,616.16

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Solution

The fourth proportional to 8,954,788.64, 13,430,870.76 and 4,404,616.16 is: 6,606,278.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,954,788.64 : 13,430,870.76 = 4,404,616.16 : x
  2. Step 2: Convert to fraction form
    8,954,788.64/13,430,870.76 = 4,404,616.16/x
  3. Step 3: Cross multiply
    8,954,788.64x = 13,430,870.76 × 4,404,616.16
  4. Step 4: Simplify right side
    8,954,788.64x = 59,157,830,392,367.48
  5. Step 5: Solve for x
    x = 59,157,830,392,367.48/8,954,788.64
  6. Step 6: Final answer
    x = 6,606,278.80

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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.