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Finding the Fourth Proportional to 46,779.60, 70,193.10 and 20,484.60

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Solution

The fourth proportional to 46,779.60, 70,193.10 and 20,484.60 is: 30,737.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,779.60 : 70,193.10 = 20,484.60 : x
  2. Step 2: Convert to fraction form
    46,779.60/70,193.10 = 20,484.60/x
  3. Step 3: Cross multiply
    46,779.60x = 70,193.10 × 20,484.60
  4. Step 4: Simplify right side
    46,779.60x = 1,437,877,576.26
  5. Step 5: Solve for x
    x = 1,437,877,576.26/46,779.60
  6. Step 6: Final answer
    x = 30,737.28

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.