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Finding the Fourth Proportional to 5,440.34, 7,526.04 and 5,243.51

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Solution

The fourth proportional to 5,440.34, 7,526.04 and 5,243.51 is: 7,253.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.34 : 7,526.04 = 5,243.51 : x
  2. Step 2: Convert to fraction form
    5,440.34/7,526.04 = 5,243.51/x
  3. Step 3: Cross multiply
    5,440.34x = 7,526.04 × 5,243.51
  4. Step 4: Simplify right side
    5,440.34x = 39,462,866.00
  5. Step 5: Solve for x
    x = 39,462,866.00/5,440.34
  6. Step 6: Final answer
    x = 7,253.75

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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.