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Finding the Fourth Proportional to 63,173.63, 87,075.78 and 44,783

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Solution

The fourth proportional to 63,173.63, 87,075.78 and 44,783 is: 61,726.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,173.63 : 87,075.78 = 44,783 : x
  2. Step 2: Convert to fraction form
    63,173.63/87,075.78 = 44,783/x
  3. Step 3: Cross multiply
    63,173.63x = 87,075.78 × 44,783
  4. Step 4: Simplify right side
    63,173.63x = 3,899,514,655.74
  5. Step 5: Solve for x
    x = 3,899,514,655.74/63,173.63
  6. Step 6: Final answer
    x = 61,726.94

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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.