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Finding the Fourth Proportional to 9,010.01, 13,521.87 and 7,259.28

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Solution

The fourth proportional to 9,010.01, 13,521.87 and 7,259.28 is: 10,894.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,010.01 : 13,521.87 = 7,259.28 : x
  2. Step 2: Convert to fraction form
    9,010.01/13,521.87 = 7,259.28/x
  3. Step 3: Cross multiply
    9,010.01x = 13,521.87 × 7,259.28
  4. Step 4: Simplify right side
    9,010.01x = 98,159,040.45
  5. Step 5: Solve for x
    x = 98,159,040.45/9,010.01
  6. Step 6: Final answer
    x = 10,894.45

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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.