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Finding the Fourth Proportional to 7,793,913.60, 11,689,492.32 and 2,114,580.60

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Solution

The fourth proportional to 7,793,913.60, 11,689,492.32 and 2,114,580.60 is: 3,171,497.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,793,913.60 : 11,689,492.32 = 2,114,580.60 : x
  2. Step 2: Convert to fraction form
    7,793,913.60/11,689,492.32 = 2,114,580.60/x
  3. Step 3: Cross multiply
    7,793,913.60x = 11,689,492.32 × 2,114,580.60
  4. Step 4: Simplify right side
    7,793,913.60x = 24,718,373,683,720.99
  5. Step 5: Solve for x
    x = 24,718,373,683,720.99/7,793,913.60
  6. Step 6: Final answer
    x = 3,171,497.01

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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.