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Finding the Fourth Proportional to 8,901.12, 13,347.12 and 5,204.16

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Solution

The fourth proportional to 8,901.12, 13,347.12 and 5,204.16 is: 7,803.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.12 : 13,347.12 = 5,204.16 : x
  2. Step 2: Convert to fraction form
    8,901.12/13,347.12 = 5,204.16/x
  3. Step 3: Cross multiply
    8,901.12x = 13,347.12 × 5,204.16
  4. Step 4: Simplify right side
    8,901.12x = 69,460,548.02
  5. Step 5: Solve for x
    x = 69,460,548.02/8,901.12
  6. Step 6: Final answer
    x = 7,803.57

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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.