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Finding the Fourth Proportional to 58,328.44, 87,506.56 and 18,885.56

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Solution

The fourth proportional to 58,328.44, 87,506.56 and 18,885.56 is: 28,332.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,328.44 : 87,506.56 = 18,885.56 : x
  2. Step 2: Convert to fraction form
    58,328.44/87,506.56 = 18,885.56/x
  3. Step 3: Cross multiply
    58,328.44x = 87,506.56 × 18,885.56
  4. Step 4: Simplify right side
    58,328.44x = 1,652,610,389.27
  5. Step 5: Solve for x
    x = 1,652,610,389.27/58,328.44
  6. Step 6: Final answer
    x = 28,332.84

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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.