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Finding the Fourth Proportional to 7,130,771.60, 10,693,824.60 and 2,642,464.40

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Solution

The fourth proportional to 7,130,771.60, 10,693,824.60 and 2,642,464.40 is: 3,962,832.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130,771.60 : 10,693,824.60 = 2,642,464.40 : x
  2. Step 2: Convert to fraction form
    7,130,771.60/10,693,824.60 = 2,642,464.40/x
  3. Step 3: Cross multiply
    7,130,771.60x = 10,693,824.60 × 2,642,464.40
  4. Step 4: Simplify right side
    7,130,771.60x = 28,258,050,805,344.24
  5. Step 5: Solve for x
    x = 28,258,050,805,344.24/7,130,771.60
  6. Step 6: Final answer
    x = 3,962,832.13

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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.