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Finding the Fourth Proportional to 76,624.61, 114,946.95 and 25,316.22

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Solution

The fourth proportional to 76,624.61, 114,946.95 and 25,316.22 is: 37,977.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,624.61 : 114,946.95 = 25,316.22 : x
  2. Step 2: Convert to fraction form
    76,624.61/114,946.95 = 25,316.22/x
  3. Step 3: Cross multiply
    76,624.61x = 114,946.95 × 25,316.22
  4. Step 4: Simplify right side
    76,624.61x = 2,910,022,705.58
  5. Step 5: Solve for x
    x = 2,910,022,705.58/76,624.61
  6. Step 6: Final answer
    x = 37,977.65

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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.