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Finding the Fourth Proportional to 7,297.50, 10,070.55 and 4,154.30

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Solution

The fourth proportional to 7,297.50, 10,070.55 and 4,154.30 is: 5,732.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,297.50 : 10,070.55 = 4,154.30 : x
  2. Step 2: Convert to fraction form
    7,297.50/10,070.55 = 4,154.30/x
  3. Step 3: Cross multiply
    7,297.50x = 10,070.55 × 4,154.30
  4. Step 4: Simplify right side
    7,297.50x = 41,836,035.51
  5. Step 5: Solve for x
    x = 41,836,035.51/7,297.50
  6. Step 6: Final answer
    x = 5,732.93

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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.