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Finding the Fourth Proportional to 58,812.88, 88,220.76 and 17,261.20

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Solution

The fourth proportional to 58,812.88, 88,220.76 and 17,261.20 is: 25,892.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,812.88 : 88,220.76 = 17,261.20 : x
  2. Step 2: Convert to fraction form
    58,812.88/88,220.76 = 17,261.20/x
  3. Step 3: Cross multiply
    58,812.88x = 88,220.76 × 17,261.20
  4. Step 4: Simplify right side
    58,812.88x = 1,522,796,182.51
  5. Step 5: Solve for x
    x = 1,522,796,182.51/58,812.88
  6. Step 6: Final answer
    x = 25,892.22

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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.