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Finding the Fourth Proportional to 7,893,798.40, 11,840,697.60 and 5,342,881.60

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Solution

The fourth proportional to 7,893,798.40, 11,840,697.60 and 5,342,881.60 is: 8,014,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,893,798.40 : 11,840,697.60 = 5,342,881.60 : x
  2. Step 2: Convert to fraction form
    7,893,798.40/11,840,697.60 = 5,342,881.60/x
  3. Step 3: Cross multiply
    7,893,798.40x = 11,840,697.60 × 5,342,881.60
  4. Step 4: Simplify right side
    7,893,798.40x = 63,263,445,338,204.16
  5. Step 5: Solve for x
    x = 63,263,445,338,204.16/7,893,798.40
  6. Step 6: Final answer
    x = 8,014,322.40

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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.