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Finding the Fourth Proportional to 39,618,000.10, 55,565,977.10 and 39,618,000.10

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Solution

The fourth proportional to 39,618,000.10, 55,565,977.10 and 39,618,000.10 is: 55,565,977.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,618,000.10 : 55,565,977.10 = 39,618,000.10 : x
  2. Step 2: Convert to fraction form
    39,618,000.10/55,565,977.10 = 39,618,000.10/x
  3. Step 3: Cross multiply
    39,618,000.10x = 55,565,977.10 × 39,618,000.10
  4. Step 4: Simplify right side
    39,618,000.10x = 2,201,412,886,304,397.75
  5. Step 5: Solve for x
    x = 2,201,412,886,304,397.75/39,618,000.10
  6. Step 6: Final answer
    x = 55,565,977.10

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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.