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Finding the Fourth Proportional to 35,608.64, 53,415.99 and 9,313.34

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Solution

The fourth proportional to 35,608.64, 53,415.99 and 9,313.34 is: 13,970.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,608.64 : 53,415.99 = 9,313.34 : x
  2. Step 2: Convert to fraction form
    35,608.64/53,415.99 = 9,313.34/x
  3. Step 3: Cross multiply
    35,608.64x = 53,415.99 × 9,313.34
  4. Step 4: Simplify right side
    35,608.64x = 497,481,009.23
  5. Step 5: Solve for x
    x = 497,481,009.23/35,608.64
  6. Step 6: Final answer
    x = 13,970.80

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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.