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Finding the Fourth Proportional to 34,293.30, 47,326.95 and 19,187.70

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Solution

The fourth proportional to 34,293.30, 47,326.95 and 19,187.70 is: 26,480.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,293.30 : 47,326.95 = 19,187.70 : x
  2. Step 2: Convert to fraction form
    34,293.30/47,326.95 = 19,187.70/x
  3. Step 3: Cross multiply
    34,293.30x = 47,326.95 × 19,187.70
  4. Step 4: Simplify right side
    34,293.30x = 908,095,318.52
  5. Step 5: Solve for x
    x = 908,095,318.52/34,293.30
  6. Step 6: Final answer
    x = 26,480.25

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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.