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Finding the Fourth Proportional to 58,859.49, 88,344.71 and 21,455.71

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Solution

The fourth proportional to 58,859.49, 88,344.71 and 21,455.71 is: 32,203.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,859.49 : 88,344.71 = 21,455.71 : x
  2. Step 2: Convert to fraction form
    58,859.49/88,344.71 = 21,455.71/x
  3. Step 3: Cross multiply
    58,859.49x = 88,344.71 × 21,455.71
  4. Step 4: Simplify right side
    58,859.49x = 1,895,498,477.79
  5. Step 5: Solve for x
    x = 1,895,498,477.79/58,859.49
  6. Step 6: Final answer
    x = 32,203.79

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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.