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Finding the Fourth Proportional to 58,007.60, 87,011.40 and 48,822.20

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Solution

The fourth proportional to 58,007.60, 87,011.40 and 48,822.20 is: 73,233.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,007.60 : 87,011.40 = 48,822.20 : x
  2. Step 2: Convert to fraction form
    58,007.60/87,011.40 = 48,822.20/x
  3. Step 3: Cross multiply
    58,007.60x = 87,011.40 × 48,822.20
  4. Step 4: Simplify right side
    58,007.60x = 4,248,087,973.08
  5. Step 5: Solve for x
    x = 4,248,087,973.08/58,007.60
  6. Step 6: Final answer
    x = 73,233.30

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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.