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Finding the Fourth Proportional to 62,415.40, 93,631.20 and 30,841.60

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Solution

The fourth proportional to 62,415.40, 93,631.20 and 30,841.60 is: 46,266.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,415.40 : 93,631.20 = 30,841.60 : x
  2. Step 2: Convert to fraction form
    62,415.40/93,631.20 = 30,841.60/x
  3. Step 3: Cross multiply
    62,415.40x = 93,631.20 × 30,841.60
  4. Step 4: Simplify right side
    62,415.40x = 2,887,736,017.92
  5. Step 5: Solve for x
    x = 2,887,736,017.92/62,415.40
  6. Step 6: Final answer
    x = 46,266.40

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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.