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Finding the Fourth Proportional to 60,307.81, 83,212.77 and 36,435.80

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Solution

The fourth proportional to 60,307.81, 83,212.77 and 36,435.80 is: 50,274.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,307.81 : 83,212.77 = 36,435.80 : x
  2. Step 2: Convert to fraction form
    60,307.81/83,212.77 = 36,435.80/x
  3. Step 3: Cross multiply
    60,307.81x = 83,212.77 × 36,435.80
  4. Step 4: Simplify right side
    60,307.81x = 3,031,924,189.83
  5. Step 5: Solve for x
    x = 3,031,924,189.83/60,307.81
  6. Step 6: Final answer
    x = 50,274.16

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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.