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Finding the Fourth Proportional to 61,333.40, 92,000.10 and 19,213.84

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Solution

The fourth proportional to 61,333.40, 92,000.10 and 19,213.84 is: 28,820.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,333.40 : 92,000.10 = 19,213.84 : x
  2. Step 2: Convert to fraction form
    61,333.40/92,000.10 = 19,213.84/x
  3. Step 3: Cross multiply
    61,333.40x = 92,000.10 × 19,213.84
  4. Step 4: Simplify right side
    61,333.40x = 1,767,674,741.38
  5. Step 5: Solve for x
    x = 1,767,674,741.38/61,333.40
  6. Step 6: Final answer
    x = 28,820.75

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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.