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Finding the Fourth Proportional to 5,776.95, 7,973.51 and 4,831.10

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Solution

The fourth proportional to 5,776.95, 7,973.51 and 4,831.10 is: 6,668.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,776.95 : 7,973.51 = 4,831.10 : x
  2. Step 2: Convert to fraction form
    5,776.95/7,973.51 = 4,831.10/x
  3. Step 3: Cross multiply
    5,776.95x = 7,973.51 × 4,831.10
  4. Step 4: Simplify right side
    5,776.95x = 38,520,819.94
  5. Step 5: Solve for x
    x = 38,520,819.94/5,776.95
  6. Step 6: Final answer
    x = 6,668.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.