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Finding the Fourth Proportional to 51,365.80, 77,048.70 and 16,308.20

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Solution

The fourth proportional to 51,365.80, 77,048.70 and 16,308.20 is: 24,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,365.80 : 77,048.70 = 16,308.20 : x
  2. Step 2: Convert to fraction form
    51,365.80/77,048.70 = 16,308.20/x
  3. Step 3: Cross multiply
    51,365.80x = 77,048.70 × 16,308.20
  4. Step 4: Simplify right side
    51,365.80x = 1,256,525,609.34
  5. Step 5: Solve for x
    x = 1,256,525,609.34/51,365.80
  6. Step 6: Final answer
    x = 24,462.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.