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Finding the Fourth Proportional to 9,963,419.80, 14,918,557.65 and 9,963,419.80

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Solution

The fourth proportional to 9,963,419.80, 14,918,557.65 and 9,963,419.80 is: 14,918,557.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,963,419.80 : 14,918,557.65 = 9,963,419.80 : x
  2. Step 2: Convert to fraction form
    9,963,419.80/14,918,557.65 = 9,963,419.80/x
  3. Step 3: Cross multiply
    9,963,419.80x = 14,918,557.65 × 9,963,419.80
  4. Step 4: Simplify right side
    9,963,419.80x = 148,639,852,677,451.50
  5. Step 5: Solve for x
    x = 148,639,852,677,451.50/9,963,419.80
  6. Step 6: Final answer
    x = 14,918,557.65

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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.