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Finding the Fourth Proportional to 48,868.70, 73,303.05 and 43,328.30

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Solution

The fourth proportional to 48,868.70, 73,303.05 and 43,328.30 is: 64,992.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,868.70 : 73,303.05 = 43,328.30 : x
  2. Step 2: Convert to fraction form
    48,868.70/73,303.05 = 43,328.30/x
  3. Step 3: Cross multiply
    48,868.70x = 73,303.05 × 43,328.30
  4. Step 4: Simplify right side
    48,868.70x = 3,176,096,541.32
  5. Step 5: Solve for x
    x = 3,176,096,541.32/48,868.70
  6. Step 6: Final answer
    x = 64,992.45

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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.