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Finding the Fourth Proportional to 45,673.40, 63,030.22 and 25,255.50

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Solution

The fourth proportional to 45,673.40, 63,030.22 and 25,255.50 is: 34,853.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,673.40 : 63,030.22 = 25,255.50 : x
  2. Step 2: Convert to fraction form
    45,673.40/63,030.22 = 25,255.50/x
  3. Step 3: Cross multiply
    45,673.40x = 63,030.22 × 25,255.50
  4. Step 4: Simplify right side
    45,673.40x = 1,591,859,421.71
  5. Step 5: Solve for x
    x = 1,591,859,421.71/45,673.40
  6. Step 6: Final answer
    x = 34,853.09

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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.