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Finding the Fourth Proportional to 23,579,692.15, 32,539,641.80 and 13,266,390.64

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Solution

The fourth proportional to 23,579,692.15, 32,539,641.80 and 13,266,390.64 is: 18,307,431.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,579,692.15 : 32,539,641.80 = 13,266,390.64 : x
  2. Step 2: Convert to fraction form
    23,579,692.15/32,539,641.80 = 13,266,390.64/x
  3. Step 3: Cross multiply
    23,579,692.15x = 32,539,641.80 × 13,266,390.64
  4. Step 4: Simplify right side
    23,579,692.15x = 431,683,599,404,472.81
  5. Step 5: Solve for x
    x = 431,683,599,404,472.81/23,579,692.15
  6. Step 6: Final answer
    x = 18,307,431.52

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.