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Finding the Fourth Proportional to 67,411.56, 92,929.50 and 47,204.76

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Solution

The fourth proportional to 67,411.56, 92,929.50 and 47,204.76 is: 65,073.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,411.56 : 92,929.50 = 47,204.76 : x
  2. Step 2: Convert to fraction form
    67,411.56/92,929.50 = 47,204.76/x
  3. Step 3: Cross multiply
    67,411.56x = 92,929.50 × 47,204.76
  4. Step 4: Simplify right side
    67,411.56x = 4,386,714,744.42
  5. Step 5: Solve for x
    x = 4,386,714,744.42/67,411.56
  6. Step 6: Final answer
    x = 65,073.63

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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.