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Finding the Fourth Proportional to 7,652,392.40, 11,478,588.60 and 7,652,392.40

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Solution

The fourth proportional to 7,652,392.40, 11,478,588.60 and 7,652,392.40 is: 11,478,588.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,652,392.40 : 11,478,588.60 = 7,652,392.40 : x
  2. Step 2: Convert to fraction form
    7,652,392.40/11,478,588.60 = 7,652,392.40/x
  3. Step 3: Cross multiply
    7,652,392.40x = 11,478,588.60 × 7,652,392.40
  4. Step 4: Simplify right side
    7,652,392.40x = 87,838,664,165,366.64
  5. Step 5: Solve for x
    x = 87,838,664,165,366.64/7,652,392.40
  6. Step 6: Final answer
    x = 11,478,588.60

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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.