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Finding the Fourth Proportional to 9,104.90, 13,657.35 and 4,730.90

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Solution

The fourth proportional to 9,104.90, 13,657.35 and 4,730.90 is: 7,096.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,104.90 : 13,657.35 = 4,730.90 : x
  2. Step 2: Convert to fraction form
    9,104.90/13,657.35 = 4,730.90/x
  3. Step 3: Cross multiply
    9,104.90x = 13,657.35 × 4,730.90
  4. Step 4: Simplify right side
    9,104.90x = 64,611,557.12
  5. Step 5: Solve for x
    x = 64,611,557.12/9,104.90
  6. Step 6: Final answer
    x = 7,096.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.