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Finding the Fourth Proportional to 60,604.85, 90,851.15 and 30,957.30

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Solution

The fourth proportional to 60,604.85, 90,851.15 and 30,957.30 is: 46,407.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,604.85 : 90,851.15 = 30,957.30 : x
  2. Step 2: Convert to fraction form
    60,604.85/90,851.15 = 30,957.30/x
  3. Step 3: Cross multiply
    60,604.85x = 90,851.15 × 30,957.30
  4. Step 4: Simplify right side
    60,604.85x = 2,812,506,383.29
  5. Step 5: Solve for x
    x = 2,812,506,383.29/60,604.85
  6. Step 6: Final answer
    x = 46,407.28

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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.