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Finding the Fourth Proportional to 58,389.76, 87,597.42 and 18,950.84

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Solution

The fourth proportional to 58,389.76, 87,597.42 and 18,950.84 is: 28,430.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,389.76 : 87,597.42 = 18,950.84 : x
  2. Step 2: Convert to fraction form
    58,389.76/87,597.42 = 18,950.84/x
  3. Step 3: Cross multiply
    58,389.76x = 87,597.42 × 18,950.84
  4. Step 4: Simplify right side
    58,389.76x = 1,660,044,690.83
  5. Step 5: Solve for x
    x = 1,660,044,690.83/58,389.76
  6. Step 6: Final answer
    x = 28,430.41

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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.