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Finding the Fourth Proportional to 34,040.53, 46,969.02 and 19,890.64

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Solution

The fourth proportional to 34,040.53, 46,969.02 and 19,890.64 is: 27,445.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,040.53 : 46,969.02 = 19,890.64 : x
  2. Step 2: Convert to fraction form
    34,040.53/46,969.02 = 19,890.64/x
  3. Step 3: Cross multiply
    34,040.53x = 46,969.02 × 19,890.64
  4. Step 4: Simplify right side
    34,040.53x = 934,243,867.97
  5. Step 5: Solve for x
    x = 934,243,867.97/34,040.53
  6. Step 6: Final answer
    x = 27,445.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.