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Finding the Fourth Proportional to 62,215.20, 93,322.80 and 28,924.20

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Solution

The fourth proportional to 62,215.20, 93,322.80 and 28,924.20 is: 43,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,215.20 : 93,322.80 = 28,924.20 : x
  2. Step 2: Convert to fraction form
    62,215.20/93,322.80 = 28,924.20/x
  3. Step 3: Cross multiply
    62,215.20x = 93,322.80 × 28,924.20
  4. Step 4: Simplify right side
    62,215.20x = 2,699,287,331.76
  5. Step 5: Solve for x
    x = 2,699,287,331.76/62,215.20
  6. Step 6: Final answer
    x = 43,386.30

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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.