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Finding the Fourth Proportional to 60,856.80, 84,003.84 and 35,714.40

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Solution

The fourth proportional to 60,856.80, 84,003.84 and 35,714.40 is: 49,298.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,856.80 : 84,003.84 = 35,714.40 : x
  2. Step 2: Convert to fraction form
    60,856.80/84,003.84 = 35,714.40/x
  3. Step 3: Cross multiply
    60,856.80x = 84,003.84 × 35,714.40
  4. Step 4: Simplify right side
    60,856.80x = 3,000,146,743.30
  5. Step 5: Solve for x
    x = 3,000,146,743.30/60,856.80
  6. Step 6: Final answer
    x = 49,298.46

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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.