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Finding the Fourth Proportional to 58,219.60, 87,329.40 and 16,666.60

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Solution

The fourth proportional to 58,219.60, 87,329.40 and 16,666.60 is: 24,999.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,219.60 : 87,329.40 = 16,666.60 : x
  2. Step 2: Convert to fraction form
    58,219.60/87,329.40 = 16,666.60/x
  3. Step 3: Cross multiply
    58,219.60x = 87,329.40 × 16,666.60
  4. Step 4: Simplify right side
    58,219.60x = 1,455,484,178.04
  5. Step 5: Solve for x
    x = 1,455,484,178.04/58,219.60
  6. Step 6: Final answer
    x = 24,999.90

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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.