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Finding the Fourth Proportional to 62,970.40, 94,455.60 and 62,314.30

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Solution

The fourth proportional to 62,970.40, 94,455.60 and 62,314.30 is: 93,471.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,970.40 : 94,455.60 = 62,314.30 : x
  2. Step 2: Convert to fraction form
    62,970.40/94,455.60 = 62,314.30/x
  3. Step 3: Cross multiply
    62,970.40x = 94,455.60 × 62,314.30
  4. Step 4: Simplify right side
    62,970.40x = 5,885,934,595.08
  5. Step 5: Solve for x
    x = 5,885,934,595.08/62,970.40
  6. Step 6: Final answer
    x = 93,471.45

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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.