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Finding the Fourth Proportional to 35,520,980.80, 49,779,761.60 and 35,520,980.80

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Solution

The fourth proportional to 35,520,980.80, 49,779,761.60 and 35,520,980.80 is: 49,779,761.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,520,980.80 : 49,779,761.60 = 35,520,980.80 : x
  2. Step 2: Convert to fraction form
    35,520,980.80/49,779,761.60 = 35,520,980.80/x
  3. Step 3: Cross multiply
    35,520,980.80x = 49,779,761.60 × 35,520,980.80
  4. Step 4: Simplify right side
    35,520,980.80x = 1,768,225,956,022,177.25
  5. Step 5: Solve for x
    x = 1,768,225,956,022,177.25/35,520,980.80
  6. Step 6: Final answer
    x = 49,779,761.60

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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.