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Finding the Fourth Proportional to 34,605,214.80, 51,907,822.20 and 9,048,807.60

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Solution

The fourth proportional to 34,605,214.80, 51,907,822.20 and 9,048,807.60 is: 13,573,211.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,605,214.80 : 51,907,822.20 = 9,048,807.60 : x
  2. Step 2: Convert to fraction form
    34,605,214.80/51,907,822.20 = 9,048,807.60/x
  3. Step 3: Cross multiply
    34,605,214.80x = 51,907,822.20 × 9,048,807.60
  4. Step 4: Simplify right side
    34,605,214.80x = 469,703,896,022,808.75
  5. Step 5: Solve for x
    x = 469,703,896,022,808.75/34,605,214.80
  6. Step 6: Final answer
    x = 13,573,211.40

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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.