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Finding the Fourth Proportional to 53,246.40, 73,478.40 and 29,372.16

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Solution

The fourth proportional to 53,246.40, 73,478.40 and 29,372.16 is: 40,532.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,246.40 : 73,478.40 = 29,372.16 : x
  2. Step 2: Convert to fraction form
    53,246.40/73,478.40 = 29,372.16/x
  3. Step 3: Cross multiply
    53,246.40x = 73,478.40 × 29,372.16
  4. Step 4: Simplify right side
    53,246.40x = 2,158,219,321.34
  5. Step 5: Solve for x
    x = 2,158,219,321.34/53,246.40
  6. Step 6: Final answer
    x = 40,532.68

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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.