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Finding the Fourth Proportional to 62,299.72, 85,970.62 and 35,439.72

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Solution

The fourth proportional to 62,299.72, 85,970.62 and 35,439.72 is: 48,905.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,299.72 : 85,970.62 = 35,439.72 : x
  2. Step 2: Convert to fraction form
    62,299.72/85,970.62 = 35,439.72/x
  3. Step 3: Cross multiply
    62,299.72x = 85,970.62 × 35,439.72
  4. Step 4: Simplify right side
    62,299.72x = 3,046,774,271.17
  5. Step 5: Solve for x
    x = 3,046,774,271.17/62,299.72
  6. Step 6: Final answer
    x = 48,905.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.