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Finding the Fourth Proportional to 5,303.64, 7,319.43 and 2,946.18

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Solution

The fourth proportional to 5,303.64, 7,319.43 and 2,946.18 is: 4,065.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.64 : 7,319.43 = 2,946.18 : x
  2. Step 2: Convert to fraction form
    5,303.64/7,319.43 = 2,946.18/x
  3. Step 3: Cross multiply
    5,303.64x = 7,319.43 × 2,946.18
  4. Step 4: Simplify right side
    5,303.64x = 21,564,358.28
  5. Step 5: Solve for x
    x = 21,564,358.28/5,303.64
  6. Step 6: Final answer
    x = 4,065.95

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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.