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Finding the Fourth Proportional to 60,622.80, 90,934.20 and 16,256.40

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Solution

The fourth proportional to 60,622.80, 90,934.20 and 16,256.40 is: 24,384.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,622.80 : 90,934.20 = 16,256.40 : x
  2. Step 2: Convert to fraction form
    60,622.80/90,934.20 = 16,256.40/x
  3. Step 3: Cross multiply
    60,622.80x = 90,934.20 × 16,256.40
  4. Step 4: Simplify right side
    60,622.80x = 1,478,262,728.88
  5. Step 5: Solve for x
    x = 1,478,262,728.88/60,622.80
  6. Step 6: Final answer
    x = 24,384.60

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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.