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Finding the Fourth Proportional to 34,566.99, 47,703.35 and 19,460.21

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Solution

The fourth proportional to 34,566.99, 47,703.35 and 19,460.21 is: 26,855.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,566.99 : 47,703.35 = 19,460.21 : x
  2. Step 2: Convert to fraction form
    34,566.99/47,703.35 = 19,460.21/x
  3. Step 3: Cross multiply
    34,566.99x = 47,703.35 × 19,460.21
  4. Step 4: Simplify right side
    34,566.99x = 928,316,872.89
  5. Step 5: Solve for x
    x = 928,316,872.89/34,566.99
  6. Step 6: Final answer
    x = 26,855.59

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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.