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Finding the Fourth Proportional to 58,675.98, 81,017.20 and 36,045.98

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Solution

The fourth proportional to 58,675.98, 81,017.20 and 36,045.98 is: 49,770.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,675.98 : 81,017.20 = 36,045.98 : x
  2. Step 2: Convert to fraction form
    58,675.98/81,017.20 = 36,045.98/x
  3. Step 3: Cross multiply
    58,675.98x = 81,017.20 × 36,045.98
  4. Step 4: Simplify right side
    58,675.98x = 2,920,344,370.86
  5. Step 5: Solve for x
    x = 2,920,344,370.86/58,675.98
  6. Step 6: Final answer
    x = 49,770.70

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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.