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Finding the Fourth Proportional to 61,817, 92,741.04 and 28,560.60

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Solution

The fourth proportional to 61,817, 92,741.04 and 28,560.60 is: 42,848.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,817 : 92,741.04 = 28,560.60 : x
  2. Step 2: Convert to fraction form
    61,817/92,741.04 = 28,560.60/x
  3. Step 3: Cross multiply
    61,817x = 92,741.04 × 28,560.60
  4. Step 4: Simplify right side
    61,817x = 2,648,739,747.02
  5. Step 5: Solve for x
    x = 2,648,739,747.02/61,817
  6. Step 6: Final answer
    x = 42,848.08

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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.