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Finding the Fourth Proportional to 53,136.99, 73,329.57 and 29,264.40

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Solution

The fourth proportional to 53,136.99, 73,329.57 and 29,264.40 is: 40,385.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,136.99 : 73,329.57 = 29,264.40 : x
  2. Step 2: Convert to fraction form
    53,136.99/73,329.57 = 29,264.40/x
  3. Step 3: Cross multiply
    53,136.99x = 73,329.57 × 29,264.40
  4. Step 4: Simplify right side
    53,136.99x = 2,145,945,868.31
  5. Step 5: Solve for x
    x = 2,145,945,868.31/53,136.99
  6. Step 6: Final answer
    x = 40,385.16

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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.