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Finding the Fourth Proportional to 65,810.48, 90,818.48 and 37,136.22

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Solution

The fourth proportional to 65,810.48, 90,818.48 and 37,136.22 is: 51,247.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,810.48 : 90,818.48 = 37,136.22 : x
  2. Step 2: Convert to fraction form
    65,810.48/90,818.48 = 37,136.22/x
  3. Step 3: Cross multiply
    65,810.48x = 90,818.48 × 37,136.22
  4. Step 4: Simplify right side
    65,810.48x = 3,372,655,053.35
  5. Step 5: Solve for x
    x = 3,372,655,053.35/65,810.48
  6. Step 6: Final answer
    x = 51,247.99

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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.