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Finding the Fourth Proportional to 12,442,407.60, 18,663,611.40 and 12,442,407.60

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Solution

The fourth proportional to 12,442,407.60, 18,663,611.40 and 12,442,407.60 is: 18,663,611.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,442,407.60 : 18,663,611.40 = 12,442,407.60 : x
  2. Step 2: Convert to fraction form
    12,442,407.60/18,663,611.40 = 12,442,407.60/x
  3. Step 3: Cross multiply
    12,442,407.60x = 18,663,611.40 × 12,442,407.60
  4. Step 4: Simplify right side
    12,442,407.60x = 232,220,260,326,806.62
  5. Step 5: Solve for x
    x = 232,220,260,326,806.62/12,442,407.60
  6. Step 6: Final answer
    x = 18,663,611.40

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1.5x scale

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.