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Finding the Fourth Proportional to 40,375,985.60, 60,563,978.40 and 23,369,873.60

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Solution

The fourth proportional to 40,375,985.60, 60,563,978.40 and 23,369,873.60 is: 35,054,810.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,375,985.60 : 60,563,978.40 = 23,369,873.60 : x
  2. Step 2: Convert to fraction form
    40,375,985.60/60,563,978.40 = 23,369,873.60/x
  3. Step 3: Cross multiply
    40,375,985.60x = 60,563,978.40 × 23,369,873.60
  4. Step 4: Simplify right side
    40,375,985.60x = 1,415,372,519,921,130.25
  5. Step 5: Solve for x
    x = 1,415,372,519,921,130.25/40,375,985.60
  6. Step 6: Final answer
    x = 35,054,810.40

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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.