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Finding the Fourth Proportional to 5,989,779.60, 8,979,420.60 and 3,594,577.20

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Solution

The fourth proportional to 5,989,779.60, 8,979,420.60 and 3,594,577.20 is: 5,388,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,989,779.60 : 8,979,420.60 = 3,594,577.20 : x
  2. Step 2: Convert to fraction form
    5,989,779.60/8,979,420.60 = 3,594,577.20/x
  3. Step 3: Cross multiply
    5,989,779.60x = 8,979,420.60 × 3,594,577.20
  4. Step 4: Simplify right side
    5,989,779.60x = 32,277,220,557,970.32
  5. Step 5: Solve for x
    x = 32,277,220,557,970.32/5,989,779.60
  6. Step 6: Final answer
    x = 5,388,715.90

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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.