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Finding the Fourth Proportional to 14,566,586.40, 20,355,429.60 and 14,566,586.40

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Solution

The fourth proportional to 14,566,586.40, 20,355,429.60 and 14,566,586.40 is: 20,355,429.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,566,586.40 : 20,355,429.60 = 14,566,586.40 : x
  2. Step 2: Convert to fraction form
    14,566,586.40/20,355,429.60 = 14,566,586.40/x
  3. Step 3: Cross multiply
    14,566,586.40x = 20,355,429.60 × 14,566,586.40
  4. Step 4: Simplify right side
    14,566,586.40x = 296,509,123,977,517.50
  5. Step 5: Solve for x
    x = 296,509,123,977,517.50/14,566,586.40
  6. Step 6: Final answer
    x = 20,355,429.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.