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Finding the Fourth Proportional to 58,290.51, 87,411.65 and 18,296.13

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Solution

The fourth proportional to 58,290.51, 87,411.65 and 18,296.13 is: 27,436.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,290.51 : 87,411.65 = 18,296.13 : x
  2. Step 2: Convert to fraction form
    58,290.51/87,411.65 = 18,296.13/x
  3. Step 3: Cross multiply
    58,290.51x = 87,411.65 × 18,296.13
  4. Step 4: Simplify right side
    58,290.51x = 1,599,294,820.43
  5. Step 5: Solve for x
    x = 1,599,294,820.43/58,290.51
  6. Step 6: Final answer
    x = 27,436.62

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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.