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Finding the Fourth Proportional to 37,658,509.60, 56,487,764.40 and 10,728,666.40

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Solution

The fourth proportional to 37,658,509.60, 56,487,764.40 and 10,728,666.40 is: 16,092,999.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,658,509.60 : 56,487,764.40 = 10,728,666.40 : x
  2. Step 2: Convert to fraction form
    37,658,509.60/56,487,764.40 = 10,728,666.40/x
  3. Step 3: Cross multiply
    37,658,509.60x = 56,487,764.40 × 10,728,666.40
  4. Step 4: Simplify right side
    37,658,509.60x = 606,038,379,929,396.12
  5. Step 5: Solve for x
    x = 606,038,379,929,396.12/37,658,509.60
  6. Step 6: Final answer
    x = 16,092,999.60

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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.