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Finding the Fourth Proportional to 58,558.80, 87,846.72 and 19,106.20

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Solution

The fourth proportional to 58,558.80, 87,846.72 and 19,106.20 is: 28,662.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,558.80 : 87,846.72 = 19,106.20 : x
  2. Step 2: Convert to fraction form
    58,558.80/87,846.72 = 19,106.20/x
  3. Step 3: Cross multiply
    58,558.80x = 87,846.72 × 19,106.20
  4. Step 4: Simplify right side
    58,558.80x = 1,678,417,001.66
  5. Step 5: Solve for x
    x = 1,678,417,001.66/58,558.80
  6. Step 6: Final answer
    x = 28,662.08

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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.