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Finding the Fourth Proportional to 28,735,611.60, 43,103,417.40 and 28,735,611.60

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Solution

The fourth proportional to 28,735,611.60, 43,103,417.40 and 28,735,611.60 is: 43,103,417.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,735,611.60 : 43,103,417.40 = 28,735,611.60 : x
  2. Step 2: Convert to fraction form
    28,735,611.60/43,103,417.40 = 28,735,611.60/x
  3. Step 3: Cross multiply
    28,735,611.60x = 43,103,417.40 × 28,735,611.60
  4. Step 4: Simplify right side
    28,735,611.60x = 1,238,603,061,039,081.75
  5. Step 5: Solve for x
    x = 1,238,603,061,039,081.75/28,735,611.60
  6. Step 6: Final answer
    x = 43,103,417.40

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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.