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Finding the Fourth Proportional to 58,000.81, 87,396.40 and 47,701.60

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Solution

The fourth proportional to 58,000.81, 87,396.40 and 47,701.60 is: 71,877.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,000.81 : 87,396.40 = 47,701.60 : x
  2. Step 2: Convert to fraction form
    58,000.81/87,396.40 = 47,701.60/x
  3. Step 3: Cross multiply
    58,000.81x = 87,396.40 × 47,701.60
  4. Step 4: Simplify right side
    58,000.81x = 4,168,948,114.24
  5. Step 5: Solve for x
    x = 4,168,948,114.24/58,000.81
  6. Step 6: Final answer
    x = 71,877.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.