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Finding the Fourth Proportional to 65,869.34, 98,803.84 and 50,898.22

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Solution

The fourth proportional to 65,869.34, 98,803.84 and 50,898.22 is: 76,347.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,869.34 : 98,803.84 = 50,898.22 : x
  2. Step 2: Convert to fraction form
    65,869.34/98,803.84 = 50,898.22/x
  3. Step 3: Cross multiply
    65,869.34x = 98,803.84 × 50,898.22
  4. Step 4: Simplify right side
    65,869.34x = 5,028,939,585.16
  5. Step 5: Solve for x
    x = 5,028,939,585.16/65,869.34
  6. Step 6: Final answer
    x = 76,347.20

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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.