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Finding the Fourth Proportional to 5,319.66, 7,340.83 and 2,929.16

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Solution

The fourth proportional to 5,319.66, 7,340.83 and 2,929.16 is: 4,042.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.66 : 7,340.83 = 2,929.16 : x
  2. Step 2: Convert to fraction form
    5,319.66/7,340.83 = 2,929.16/x
  3. Step 3: Cross multiply
    5,319.66x = 7,340.83 × 2,929.16
  4. Step 4: Simplify right side
    5,319.66x = 21,502,465.60
  5. Step 5: Solve for x
    x = 21,502,465.60/5,319.66
  6. Step 6: Final answer
    x = 4,042.08

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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.