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Finding the Fourth Proportional to 58,861.44, 88,303.02 and 19,421.28

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Solution

The fourth proportional to 58,861.44, 88,303.02 and 19,421.28 is: 29,135.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,861.44 : 88,303.02 = 19,421.28 : x
  2. Step 2: Convert to fraction form
    58,861.44/88,303.02 = 19,421.28/x
  3. Step 3: Cross multiply
    58,861.44x = 88,303.02 × 19,421.28
  4. Step 4: Simplify right side
    58,861.44x = 1,714,957,676.27
  5. Step 5: Solve for x
    x = 1,714,957,676.27/58,861.44
  6. Step 6: Final answer
    x = 29,135.50

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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.