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Finding the Fourth Proportional to 10,739,937.60, 16,128,568.80 and 10,404,014.40

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Solution

The fourth proportional to 10,739,937.60, 16,128,568.80 and 10,404,014.40 is: 15,624,100.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,739,937.60 : 16,128,568.80 = 10,404,014.40 : x
  2. Step 2: Convert to fraction form
    10,739,937.60/16,128,568.80 = 10,404,014.40/x
  3. Step 3: Cross multiply
    10,739,937.60x = 16,128,568.80 × 10,404,014.40
  4. Step 4: Simplify right side
    10,739,937.60x = 167,801,862,046,590.72
  5. Step 5: Solve for x
    x = 167,801,862,046,590.72/10,739,937.60
  6. Step 6: Final answer
    x = 15,624,100.28

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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.