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Finding the Fourth Proportional to 34,235.84, 47,240.76 and 19,126.63

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Solution

The fourth proportional to 34,235.84, 47,240.76 and 19,126.63 is: 26,392.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,235.84 : 47,240.76 = 19,126.63 : x
  2. Step 2: Convert to fraction form
    34,235.84/47,240.76 = 19,126.63/x
  3. Step 3: Cross multiply
    34,235.84x = 47,240.76 × 19,126.63
  4. Step 4: Simplify right side
    34,235.84x = 903,556,419.34
  5. Step 5: Solve for x
    x = 903,556,419.34/34,235.84
  6. Step 6: Final answer
    x = 26,392.12

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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.