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Finding the Fourth Proportional to 25,447,618.80, 35,551,083.60 and 25,447,618.80

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Solution

The fourth proportional to 25,447,618.80, 35,551,083.60 and 25,447,618.80 is: 35,551,083.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,447,618.80 : 35,551,083.60 = 25,447,618.80 : x
  2. Step 2: Convert to fraction form
    25,447,618.80/35,551,083.60 = 25,447,618.80/x
  3. Step 3: Cross multiply
    25,447,618.80x = 35,551,083.60 × 25,447,618.80
  4. Step 4: Simplify right side
    25,447,618.80x = 904,690,423,379,731.75
  5. Step 5: Solve for x
    x = 904,690,423,379,731.75/25,447,618.80
  6. Step 6: Final answer
    x = 35,551,083.60

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Double scale
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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.