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Finding the Fourth Proportional to 71,417.58, 107,092.79 and 26,407.84

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Solution

The fourth proportional to 71,417.58, 107,092.79 and 26,407.84 is: 39,599.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,417.58 : 107,092.79 = 26,407.84 : x
  2. Step 2: Convert to fraction form
    71,417.58/107,092.79 = 26,407.84/x
  3. Step 3: Cross multiply
    71,417.58x = 107,092.79 × 26,407.84
  4. Step 4: Simplify right side
    71,417.58x = 2,828,089,061.76
  5. Step 5: Solve for x
    x = 2,828,089,061.76/71,417.58
  6. Step 6: Final answer
    x = 39,599.34

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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.