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Finding the Fourth Proportional to 76,564.76, 114,680.88 and 37,038.98

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Solution

The fourth proportional to 76,564.76, 114,680.88 and 37,038.98 is: 55,478.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,564.76 : 114,680.88 = 37,038.98 : x
  2. Step 2: Convert to fraction form
    76,564.76/114,680.88 = 37,038.98/x
  3. Step 3: Cross multiply
    76,564.76x = 114,680.88 × 37,038.98
  4. Step 4: Simplify right side
    76,564.76x = 4,247,662,820.70
  5. Step 5: Solve for x
    x = 4,247,662,820.70/76,564.76
  6. Step 6: Final answer
    x = 55,478.04

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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.