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Finding the Fourth Proportional to 23,393,999.80, 35,090,999.70 and 8,242,895.80

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Solution

The fourth proportional to 23,393,999.80, 35,090,999.70 and 8,242,895.80 is: 12,364,343.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,393,999.80 : 35,090,999.70 = 8,242,895.80 : x
  2. Step 2: Convert to fraction form
    23,393,999.80/35,090,999.70 = 8,242,895.80/x
  3. Step 3: Cross multiply
    23,393,999.80x = 35,090,999.70 × 8,242,895.80
  4. Step 4: Simplify right side
    23,393,999.80x = 289,251,454,044,931.25
  5. Step 5: Solve for x
    x = 289,251,454,044,931.25/23,393,999.80
  6. Step 6: Final answer
    x = 12,364,343.70

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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.