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Finding the Fourth Proportional to 34,088, 47,045.76 and 19,186.88

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Solution

The fourth proportional to 34,088, 47,045.76 and 19,186.88 is: 26,480.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,088 : 47,045.76 = 19,186.88 : x
  2. Step 2: Convert to fraction form
    34,088/47,045.76 = 19,186.88/x
  3. Step 3: Cross multiply
    34,088x = 47,045.76 × 19,186.88
  4. Step 4: Simplify right side
    34,088x = 902,661,351.63
  5. Step 5: Solve for x
    x = 902,661,351.63/34,088
  6. Step 6: Final answer
    x = 26,480.33

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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.