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Finding the Fourth Proportional to 58,877.81, 88,315.08 and 18,896.47

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Solution

The fourth proportional to 58,877.81, 88,315.08 and 18,896.47 is: 28,344.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,877.81 : 88,315.08 = 18,896.47 : x
  2. Step 2: Convert to fraction form
    58,877.81/88,315.08 = 18,896.47/x
  3. Step 3: Cross multiply
    58,877.81x = 88,315.08 × 18,896.47
  4. Step 4: Simplify right side
    58,877.81x = 1,668,843,398.39
  5. Step 5: Solve for x
    x = 1,668,843,398.39/58,877.81
  6. Step 6: Final answer
    x = 28,344.18

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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.