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Finding the Fourth Proportional to 76,479.98, 105,543.70 and 44,650.22

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Solution

The fourth proportional to 76,479.98, 105,543.70 and 44,650.22 is: 61,618.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,479.98 : 105,543.70 = 44,650.22 : x
  2. Step 2: Convert to fraction form
    76,479.98/105,543.70 = 44,650.22/x
  3. Step 3: Cross multiply
    76,479.98x = 105,543.70 × 44,650.22
  4. Step 4: Simplify right side
    76,479.98x = 4,712,549,424.61
  5. Step 5: Solve for x
    x = 4,712,549,424.61/76,479.98
  6. Step 6: Final answer
    x = 61,618.08

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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.