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Finding the Fourth Proportional to 58,475.92, 87,714.96 and 19,032.88

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Solution

The fourth proportional to 58,475.92, 87,714.96 and 19,032.88 is: 28,549.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,475.92 : 87,714.96 = 19,032.88 : x
  2. Step 2: Convert to fraction form
    58,475.92/87,714.96 = 19,032.88/x
  3. Step 3: Cross multiply
    58,475.92x = 87,714.96 × 19,032.88
  4. Step 4: Simplify right side
    58,475.92x = 1,669,468,307.88
  5. Step 5: Solve for x
    x = 1,669,468,307.88/58,475.92
  6. Step 6: Final answer
    x = 28,549.67

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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.