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Finding the Fourth Proportional to 16,611,609.60, 23,199,566.40 and 16,611,609.60

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Solution

The fourth proportional to 16,611,609.60, 23,199,566.40 and 16,611,609.60 is: 23,199,566.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,611,609.60 : 23,199,566.40 = 16,611,609.60 : x
  2. Step 2: Convert to fraction form
    16,611,609.60/23,199,566.40 = 16,611,609.60/x
  3. Step 3: Cross multiply
    16,611,609.60x = 23,199,566.40 × 16,611,609.60
  4. Step 4: Simplify right side
    16,611,609.60x = 385,382,139,926,077.44
  5. Step 5: Solve for x
    x = 385,382,139,926,077.44/16,611,609.60
  6. Step 6: Final answer
    x = 23,199,566.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.