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Finding the Fourth Proportional to 3,807,779.60, 5,721,000.60 and 2,862,995.60

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Solution

The fourth proportional to 3,807,779.60, 5,721,000.60 and 2,862,995.60 is: 4,301,509.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,807,779.60 : 5,721,000.60 = 2,862,995.60 : x
  2. Step 2: Convert to fraction form
    3,807,779.60/5,721,000.60 = 2,862,995.60/x
  3. Step 3: Cross multiply
    3,807,779.60x = 5,721,000.60 × 2,862,995.60
  4. Step 4: Simplify right side
    3,807,779.60x = 16,379,199,545,397.36
  5. Step 5: Solve for x
    x = 16,379,199,545,397.36/3,807,779.60
  6. Step 6: Final answer
    x = 4,301,509.35

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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.