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Finding the Fourth Proportional to 5,988,862.40, 8,983,293.60 and 2,201,853.20

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Solution

The fourth proportional to 5,988,862.40, 8,983,293.60 and 2,201,853.20 is: 3,302,779.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,988,862.40 : 8,983,293.60 = 2,201,853.20 : x
  2. Step 2: Convert to fraction form
    5,988,862.40/8,983,293.60 = 2,201,853.20/x
  3. Step 3: Cross multiply
    5,988,862.40x = 8,983,293.60 × 2,201,853.20
  4. Step 4: Simplify right side
    5,988,862.40x = 19,779,893,759,699.52
  5. Step 5: Solve for x
    x = 19,779,893,759,699.52/5,988,862.40
  6. Step 6: Final answer
    x = 3,302,779.80

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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.