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Finding the Fourth Proportional to 58,017.69, 87,027.75 and 18,574.69

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Solution

The fourth proportional to 58,017.69, 87,027.75 and 18,574.69 is: 27,862.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,017.69 : 87,027.75 = 18,574.69 : x
  2. Step 2: Convert to fraction form
    58,017.69/87,027.75 = 18,574.69/x
  3. Step 3: Cross multiply
    58,017.69x = 87,027.75 × 18,574.69
  4. Step 4: Simplify right side
    58,017.69x = 1,616,513,423.26
  5. Step 5: Solve for x
    x = 1,616,513,423.26/58,017.69
  6. Step 6: Final answer
    x = 27,862.42

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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.