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Finding the Fourth Proportional to 58,070.40, 87,106.08 and 18,627.84

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Solution

The fourth proportional to 58,070.40, 87,106.08 and 18,627.84 is: 27,941.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,070.40 : 87,106.08 = 18,627.84 : x
  2. Step 2: Convert to fraction form
    58,070.40/87,106.08 = 18,627.84/x
  3. Step 3: Cross multiply
    58,070.40x = 87,106.08 × 18,627.84
  4. Step 4: Simplify right side
    58,070.40x = 1,622,598,121.27
  5. Step 5: Solve for x
    x = 1,622,598,121.27/58,070.40
  6. Step 6: Final answer
    x = 27,941.91

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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.