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Finding the Fourth Proportional to 9,907,622.55, 13,842,328.05 and 9,907,622.55

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Solution

The fourth proportional to 9,907,622.55, 13,842,328.05 and 9,907,622.55 is: 13,842,328.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,907,622.55 : 13,842,328.05 = 9,907,622.55 : x
  2. Step 2: Convert to fraction form
    9,907,622.55/13,842,328.05 = 9,907,622.55/x
  3. Step 3: Cross multiply
    9,907,622.55x = 13,842,328.05 × 9,907,622.55
  4. Step 4: Simplify right side
    9,907,622.55x = 137,144,561,532,677.55
  5. Step 5: Solve for x
    x = 137,144,561,532,677.55/9,907,622.55
  6. Step 6: Final answer
    x = 13,842,328.05

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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.