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Finding the Fourth Proportional to 35,443,618.80, 53,081,447.40 and 35,443,618.80

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Solution

The fourth proportional to 35,443,618.80, 53,081,447.40 and 35,443,618.80 is: 53,081,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,443,618.80 : 53,081,447.40 = 35,443,618.80 : x
  2. Step 2: Convert to fraction form
    35,443,618.80/53,081,447.40 = 35,443,618.80/x
  3. Step 3: Cross multiply
    35,443,618.80x = 53,081,447.40 × 35,443,618.80
  4. Step 4: Simplify right side
    35,443,618.80x = 1,881,398,586,997,851
  5. Step 5: Solve for x
    x = 1,881,398,586,997,851/35,443,618.80
  6. Step 6: Final answer
    x = 53,081,447.40

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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.