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Finding the Fourth Proportional to 62,405.40, 93,492.90 and 58,258.20

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Solution

The fourth proportional to 62,405.40, 93,492.90 and 58,258.20 is: 87,279.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,405.40 : 93,492.90 = 58,258.20 : x
  2. Step 2: Convert to fraction form
    62,405.40/93,492.90 = 58,258.20/x
  3. Step 3: Cross multiply
    62,405.40x = 93,492.90 × 58,258.20
  4. Step 4: Simplify right side
    62,405.40x = 5,446,728,066.78
  5. Step 5: Solve for x
    x = 5,446,728,066.78/62,405.40
  6. Step 6: Final answer
    x = 87,279.76

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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.