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Finding the Fourth Proportional to 4,957.18, 7,435.76 and 4,895.66

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Solution

The fourth proportional to 4,957.18, 7,435.76 and 4,895.66 is: 7,343.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,957.18 : 7,435.76 = 4,895.66 : x
  2. Step 2: Convert to fraction form
    4,957.18/7,435.76 = 4,895.66/x
  3. Step 3: Cross multiply
    4,957.18x = 7,435.76 × 4,895.66
  4. Step 4: Simplify right side
    4,957.18x = 36,402,946.91
  5. Step 5: Solve for x
    x = 36,402,946.91/4,957.18
  6. Step 6: Final answer
    x = 7,343.48

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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.