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Finding the Fourth Proportional to 45,751.80, 63,137.71 and 25,609.08

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Solution

The fourth proportional to 45,751.80, 63,137.71 and 25,609.08 is: 35,340.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,751.80 : 63,137.71 = 25,609.08 : x
  2. Step 2: Convert to fraction form
    45,751.80/63,137.71 = 25,609.08/x
  3. Step 3: Cross multiply
    45,751.80x = 63,137.71 × 25,609.08
  4. Step 4: Simplify right side
    45,751.80x = 1,616,898,666.41
  5. Step 5: Solve for x
    x = 1,616,898,666.41/45,751.80
  6. Step 6: Final answer
    x = 35,340.66

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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.