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Finding the Fourth Proportional to 58,859.80, 88,261.92 and 21,393.52

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Solution

The fourth proportional to 58,859.80, 88,261.92 and 21,393.52 is: 32,080.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,859.80 : 88,261.92 = 21,393.52 : x
  2. Step 2: Convert to fraction form
    58,859.80/88,261.92 = 21,393.52/x
  3. Step 3: Cross multiply
    58,859.80x = 88,261.92 × 21,393.52
  4. Step 4: Simplify right side
    58,859.80x = 1,888,233,150.76
  5. Step 5: Solve for x
    x = 1,888,233,150.76/58,859.80
  6. Step 6: Final answer
    x = 32,080.18

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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.