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Finding the Fourth Proportional to 7,001.40, 9,656.10 and 5,237.22

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Solution

The fourth proportional to 7,001.40, 9,656.10 and 5,237.22 is: 7,223.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001.40 : 9,656.10 = 5,237.22 : x
  2. Step 2: Convert to fraction form
    7,001.40/9,656.10 = 5,237.22/x
  3. Step 3: Cross multiply
    7,001.40x = 9,656.10 × 5,237.22
  4. Step 4: Simplify right side
    7,001.40x = 50,571,120.04
  5. Step 5: Solve for x
    x = 50,571,120.04/7,001.40
  6. Step 6: Final answer
    x = 7,223.00

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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.