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Finding the Fourth Proportional to 13,594,202.60, 20,402,457.60 and 13,487,914.40

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Solution

The fourth proportional to 13,594,202.60, 20,402,457.60 and 13,487,914.40 is: 20,242,938.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,594,202.60 : 20,402,457.60 = 13,487,914.40 : x
  2. Step 2: Convert to fraction form
    13,594,202.60/20,402,457.60 = 13,487,914.40/x
  3. Step 3: Cross multiply
    13,594,202.60x = 20,402,457.60 × 13,487,914.40
  4. Step 4: Simplify right side
    13,594,202.60x = 275,186,601,658,429.47
  5. Step 5: Solve for x
    x = 275,186,601,658,429.47/13,594,202.60
  6. Step 6: Final answer
    x = 20,242,938.09

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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.