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Finding the Fourth Proportional to 9,787,638.55, 14,681,457.83 and 9,787,638.55

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Solution

The fourth proportional to 9,787,638.55, 14,681,457.83 and 9,787,638.55 is: 14,681,457.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,787,638.55 : 14,681,457.83 = 9,787,638.55 : x
  2. Step 2: Convert to fraction form
    9,787,638.55/14,681,457.83 = 9,787,638.55/x
  3. Step 3: Cross multiply
    9,787,638.55x = 14,681,457.83 × 9,787,638.55
  4. Step 4: Simplify right side
    9,787,638.55x = 143,696,802,627,107.34
  5. Step 5: Solve for x
    x = 143,696,802,627,107.34/9,787,638.55
  6. Step 6: Final answer
    x = 14,681,457.83

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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.