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Finding the Fourth Proportional to 9,922,728.40, 14,884,092.60 and 3,540,187.60

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Solution

The fourth proportional to 9,922,728.40, 14,884,092.60 and 3,540,187.60 is: 5,310,281.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,922,728.40 : 14,884,092.60 = 3,540,187.60 : x
  2. Step 2: Convert to fraction form
    9,922,728.40/14,884,092.60 = 3,540,187.60/x
  3. Step 3: Cross multiply
    9,922,728.40x = 14,884,092.60 × 3,540,187.60
  4. Step 4: Simplify right side
    9,922,728.40x = 52,692,480,059,771.76
  5. Step 5: Solve for x
    x = 52,692,480,059,771.76/9,922,728.40
  6. Step 6: Final answer
    x = 5,310,281.40

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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.