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Finding the Fourth Proportional to 60,312.16, 90,524.28 and 30,752.20

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Solution

The fourth proportional to 60,312.16, 90,524.28 and 30,752.20 is: 46,156.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,312.16 : 90,524.28 = 30,752.20 : x
  2. Step 2: Convert to fraction form
    60,312.16/90,524.28 = 30,752.20/x
  3. Step 3: Cross multiply
    60,312.16x = 90,524.28 × 30,752.20
  4. Step 4: Simplify right side
    60,312.16x = 2,783,820,763.42
  5. Step 5: Solve for x
    x = 2,783,820,763.42/60,312.16
  6. Step 6: Final answer
    x = 46,156.87

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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.