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Finding the Fourth Proportional to 42,604.23, 63,949.02 and 17,658.93

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Solution

The fourth proportional to 42,604.23, 63,949.02 and 17,658.93 is: 26,506.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,604.23 : 63,949.02 = 17,658.93 : x
  2. Step 2: Convert to fraction form
    42,604.23/63,949.02 = 17,658.93/x
  3. Step 3: Cross multiply
    42,604.23x = 63,949.02 × 17,658.93
  4. Step 4: Simplify right side
    42,604.23x = 1,129,271,267.75
  5. Step 5: Solve for x
    x = 1,129,271,267.75/42,604.23
  6. Step 6: Final answer
    x = 26,506.08

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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.