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Finding the Fourth Proportional to 84,984, 127,491.18 and 35,036.32

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Solution

The fourth proportional to 84,984, 127,491.18 and 35,036.32 is: 52,560.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,984 : 127,491.18 = 35,036.32 : x
  2. Step 2: Convert to fraction form
    84,984/127,491.18 = 35,036.32/x
  3. Step 3: Cross multiply
    84,984x = 127,491.18 × 35,036.32
  4. Step 4: Simplify right side
    84,984x = 4,466,821,779.66
  5. Step 5: Solve for x
    x = 4,466,821,779.66/84,984
  6. Step 6: Final answer
    x = 52,560.74

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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.