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Finding the Fourth Proportional to 61,433.56, 92,150.28 and 19,313.44

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Solution

The fourth proportional to 61,433.56, 92,150.28 and 19,313.44 is: 28,970.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,433.56 : 92,150.28 = 19,313.44 : x
  2. Step 2: Convert to fraction form
    61,433.56/92,150.28 = 19,313.44/x
  3. Step 3: Cross multiply
    61,433.56x = 92,150.28 × 19,313.44
  4. Step 4: Simplify right side
    61,433.56x = 1,779,738,903.76
  5. Step 5: Solve for x
    x = 1,779,738,903.76/61,433.56
  6. Step 6: Final answer
    x = 28,970.14

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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.