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Finding the Fourth Proportional to 5,106.60, 7,047 and 3,010.32

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Solution

The fourth proportional to 5,106.60, 7,047 and 3,010.32 is: 4,154.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.60 : 7,047 = 3,010.32 : x
  2. Step 2: Convert to fraction form
    5,106.60/7,047 = 3,010.32/x
  3. Step 3: Cross multiply
    5,106.60x = 7,047 × 3,010.32
  4. Step 4: Simplify right side
    5,106.60x = 21,213,725.04
  5. Step 5: Solve for x
    x = 21,213,725.04/5,106.60
  6. Step 6: Final answer
    x = 4,154.18

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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.