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Finding the Fourth Proportional to 35,559,985.80, 53,339,978.70 and 34,993,115.40

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Solution

The fourth proportional to 35,559,985.80, 53,339,978.70 and 34,993,115.40 is: 52,489,673.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,559,985.80 : 53,339,978.70 = 34,993,115.40 : x
  2. Step 2: Convert to fraction form
    35,559,985.80/53,339,978.70 = 34,993,115.40/x
  3. Step 3: Cross multiply
    35,559,985.80x = 53,339,978.70 × 34,993,115.40
  4. Step 4: Simplify right side
    35,559,985.80x = 1,866,532,030,082,642
  5. Step 5: Solve for x
    x = 1,866,532,030,082,642/35,559,985.80
  6. Step 6: Final answer
    x = 52,489,673.10

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Similar ratio
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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.