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Finding the Fourth Proportional to 84,903.10, 127,347.32 and 28,741.98

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Solution

The fourth proportional to 84,903.10, 127,347.32 and 28,741.98 is: 43,110.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,903.10 : 127,347.32 = 28,741.98 : x
  2. Step 2: Convert to fraction form
    84,903.10/127,347.32 = 28,741.98/x
  3. Step 3: Cross multiply
    84,903.10x = 127,347.32 × 28,741.98
  4. Step 4: Simplify right side
    84,903.10x = 3,660,214,673.90
  5. Step 5: Solve for x
    x = 3,660,214,673.90/84,903.10
  6. Step 6: Final answer
    x = 43,110.50

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1.5x scale

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.