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Finding the Fourth Proportional to 34,573.84, 47,712.85 and 19,465.31

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Solution

The fourth proportional to 34,573.84, 47,712.85 and 19,465.31 is: 26,862.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,573.84 : 47,712.85 = 19,465.31 : x
  2. Step 2: Convert to fraction form
    34,573.84/47,712.85 = 19,465.31/x
  3. Step 3: Cross multiply
    34,573.84x = 47,712.85 × 19,465.31
  4. Step 4: Simplify right side
    34,573.84x = 928,745,486.85
  5. Step 5: Solve for x
    x = 928,745,486.85/34,573.84
  6. Step 6: Final answer
    x = 26,862.67

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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.