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Finding the Fourth Proportional to 8,623,421.02, 11,901,036.44 and 4,953,045.90

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Solution

The fourth proportional to 8,623,421.02, 11,901,036.44 and 4,953,045.90 is: 6,835,614.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623,421.02 : 11,901,036.44 = 4,953,045.90 : x
  2. Step 2: Convert to fraction form
    8,623,421.02/11,901,036.44 = 4,953,045.90/x
  3. Step 3: Cross multiply
    8,623,421.02x = 11,901,036.44 × 4,953,045.90
  4. Step 4: Simplify right side
    8,623,421.02x = 58,946,379,744,892.60
  5. Step 5: Solve for x
    x = 58,946,379,744,892.60/8,623,421.02
  6. Step 6: Final answer
    x = 6,835,614.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.