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Finding the Fourth Proportional to 59,080.36, 81,539.58 and 35,221

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Solution

The fourth proportional to 59,080.36, 81,539.58 and 35,221 is: 48,610.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,080.36 : 81,539.58 = 35,221 : x
  2. Step 2: Convert to fraction form
    59,080.36/81,539.58 = 35,221/x
  3. Step 3: Cross multiply
    59,080.36x = 81,539.58 × 35,221
  4. Step 4: Simplify right side
    59,080.36x = 2,871,905,547.18
  5. Step 5: Solve for x
    x = 2,871,905,547.18/59,080.36
  6. Step 6: Final answer
    x = 48,610.16

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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.