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Finding the Fourth Proportional to 58,117.84, 87,179.80 and 18,671.84

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Solution

The fourth proportional to 58,117.84, 87,179.80 and 18,671.84 is: 28,008.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,117.84 : 87,179.80 = 18,671.84 : x
  2. Step 2: Convert to fraction form
    58,117.84/87,179.80 = 18,671.84/x
  3. Step 3: Cross multiply
    58,117.84x = 87,179.80 × 18,671.84
  4. Step 4: Simplify right side
    58,117.84x = 1,627,807,276.83
  5. Step 5: Solve for x
    x = 1,627,807,276.83/58,117.84
  6. Step 6: Final answer
    x = 28,008.74

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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.