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Finding the Fourth Proportional to 35,430,802.80, 53,146,204.88 and 8,504,458.80

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Solution

The fourth proportional to 35,430,802.80, 53,146,204.88 and 8,504,458.80 is: 12,756,688.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,430,802.80 : 53,146,204.88 = 8,504,458.80 : x
  2. Step 2: Convert to fraction form
    35,430,802.80/53,146,204.88 = 8,504,458.80/x
  3. Step 3: Cross multiply
    35,430,802.80x = 53,146,204.88 × 8,504,458.80
  4. Step 4: Simplify right side
    35,430,802.80x = 451,979,709,778,319
  5. Step 5: Solve for x
    x = 451,979,709,778,319/35,430,802.80
  6. Step 6: Final answer
    x = 12,756,688.36

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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.