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Finding the Fourth Proportional to 58,020.84, 80,023.14 and 38,894.04

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Solution

The fourth proportional to 58,020.84, 80,023.14 and 38,894.04 is: 53,643.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,020.84 : 80,023.14 = 38,894.04 : x
  2. Step 2: Convert to fraction form
    58,020.84/80,023.14 = 38,894.04/x
  3. Step 3: Cross multiply
    58,020.84x = 80,023.14 × 38,894.04
  4. Step 4: Simplify right side
    58,020.84x = 3,112,423,208.09
  5. Step 5: Solve for x
    x = 3,112,423,208.09/58,020.84
  6. Step 6: Final answer
    x = 53,643.19

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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.