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Finding the Fourth Proportional to 61,654.82, 92,482.87 and 21,674.93

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Solution

The fourth proportional to 61,654.82, 92,482.87 and 21,674.93 is: 32,512.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,654.82 : 92,482.87 = 21,674.93 : x
  2. Step 2: Convert to fraction form
    61,654.82/92,482.87 = 21,674.93/x
  3. Step 3: Cross multiply
    61,654.82x = 92,482.87 × 21,674.93
  4. Step 4: Simplify right side
    61,654.82x = 2,004,559,271.03
  5. Step 5: Solve for x
    x = 2,004,559,271.03/61,654.82
  6. Step 6: Final answer
    x = 32,512.61

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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.