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Finding the Fourth Proportional to 7,482.60, 10,323.99 and 4,831.56

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Solution

The fourth proportional to 7,482.60, 10,323.99 and 4,831.56 is: 6,666.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482.60 : 10,323.99 = 4,831.56 : x
  2. Step 2: Convert to fraction form
    7,482.60/10,323.99 = 4,831.56/x
  3. Step 3: Cross multiply
    7,482.60x = 10,323.99 × 4,831.56
  4. Step 4: Simplify right side
    7,482.60x = 49,880,977.12
  5. Step 5: Solve for x
    x = 49,880,977.12/7,482.60
  6. Step 6: Final answer
    x = 6,666.26

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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.