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Finding the Fourth Proportional to 28,084,187.10, 39,370,946.10 and 28,084,187.10

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Solution

The fourth proportional to 28,084,187.10, 39,370,946.10 and 28,084,187.10 is: 39,370,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084,187.10 : 39,370,946.10 = 28,084,187.10 : x
  2. Step 2: Convert to fraction form
    28,084,187.10/39,370,946.10 = 28,084,187.10/x
  3. Step 3: Cross multiply
    28,084,187.10x = 39,370,946.10 × 28,084,187.10
  4. Step 4: Simplify right side
    28,084,187.10x = 1,105,701,016,576,415.38
  5. Step 5: Solve for x
    x = 1,105,701,016,576,415.38/28,084,187.10
  6. Step 6: Final answer
    x = 39,370,946.10

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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.