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Finding the Fourth Proportional to 71,352.84, 107,030.31 and 33,916.76

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Solution

The fourth proportional to 71,352.84, 107,030.31 and 33,916.76 is: 50,875.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,352.84 : 107,030.31 = 33,916.76 : x
  2. Step 2: Convert to fraction form
    71,352.84/107,030.31 = 33,916.76/x
  3. Step 3: Cross multiply
    71,352.84x = 107,030.31 × 33,916.76
  4. Step 4: Simplify right side
    71,352.84x = 3,630,121,337.00
  5. Step 5: Solve for x
    x = 3,630,121,337.00/71,352.84
  6. Step 6: Final answer
    x = 50,875.64

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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.