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Finding the Fourth Proportional to 26,697,829.50, 40,046,809.32 and 7,528,687.02

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Solution

The fourth proportional to 26,697,829.50, 40,046,809.32 and 7,528,687.02 is: 11,293,048.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,697,829.50 : 40,046,809.32 = 7,528,687.02 : x
  2. Step 2: Convert to fraction form
    26,697,829.50/40,046,809.32 = 7,528,687.02/x
  3. Step 3: Cross multiply
    26,697,829.50x = 40,046,809.32 × 7,528,687.02
  4. Step 4: Simplify right side
    26,697,829.50x = 301,499,893,519,899
  5. Step 5: Solve for x
    x = 301,499,893,519,899/26,697,829.50
  6. Step 6: Final answer
    x = 11,293,048.88

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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.