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Finding the Fourth Proportional to 7,779,525.60, 11,664,039.60 and 4,136,858.40

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Solution

The fourth proportional to 7,779,525.60, 11,664,039.60 and 4,136,858.40 is: 6,202,496.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,779,525.60 : 11,664,039.60 = 4,136,858.40 : x
  2. Step 2: Convert to fraction form
    7,779,525.60/11,664,039.60 = 4,136,858.40/x
  3. Step 3: Cross multiply
    7,779,525.60x = 11,664,039.60 × 4,136,858.40
  4. Step 4: Simplify right side
    7,779,525.60x = 48,252,480,197,192.64
  5. Step 5: Solve for x
    x = 48,252,480,197,192.64/7,779,525.60
  6. Step 6: Final answer
    x = 6,202,496.49

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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.