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Finding the Fourth Proportional to 14,571,659.60, 21,857,489.40 and 4,472,968.40

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Solution

The fourth proportional to 14,571,659.60, 21,857,489.40 and 4,472,968.40 is: 6,709,452.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,571,659.60 : 21,857,489.40 = 4,472,968.40 : x
  2. Step 2: Convert to fraction form
    14,571,659.60/21,857,489.40 = 4,472,968.40/x
  3. Step 3: Cross multiply
    14,571,659.60x = 21,857,489.40 × 4,472,968.40
  4. Step 4: Simplify right side
    14,571,659.60x = 97,767,859,389,534.97
  5. Step 5: Solve for x
    x = 97,767,859,389,534.97/14,571,659.60
  6. Step 6: Final answer
    x = 6,709,452.60

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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.