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Finding the Fourth Proportional to 60,180.87, 90,271.77 and 15,807.56

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Solution

The fourth proportional to 60,180.87, 90,271.77 and 15,807.56 is: 23,711.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,180.87 : 90,271.77 = 15,807.56 : x
  2. Step 2: Convert to fraction form
    60,180.87/90,271.77 = 15,807.56/x
  3. Step 3: Cross multiply
    60,180.87x = 90,271.77 × 15,807.56
  4. Step 4: Simplify right side
    60,180.87x = 1,426,975,909.94
  5. Step 5: Solve for x
    x = 1,426,975,909.94/60,180.87
  6. Step 6: Final answer
    x = 23,711.45

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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.