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Finding the Fourth Proportional to 58,000.78, 80,079.63 and 44,547.98

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Solution

The fourth proportional to 58,000.78, 80,079.63 and 44,547.98 is: 61,505.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,000.78 : 80,079.63 = 44,547.98 : x
  2. Step 2: Convert to fraction form
    58,000.78/80,079.63 = 44,547.98/x
  3. Step 3: Cross multiply
    58,000.78x = 80,079.63 × 44,547.98
  4. Step 4: Simplify right side
    58,000.78x = 3,567,385,755.65
  5. Step 5: Solve for x
    x = 3,567,385,755.65/58,000.78
  6. Step 6: Final answer
    x = 61,505.83

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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.