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Finding the Fourth Proportional to 55,555.40, 83,260.20 and 22,248.20

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Solution

The fourth proportional to 55,555.40, 83,260.20 and 22,248.20 is: 33,343.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,555.40 : 83,260.20 = 22,248.20 : x
  2. Step 2: Convert to fraction form
    55,555.40/83,260.20 = 22,248.20/x
  3. Step 3: Cross multiply
    55,555.40x = 83,260.20 × 22,248.20
  4. Step 4: Simplify right side
    55,555.40x = 1,852,389,581.64
  5. Step 5: Solve for x
    x = 1,852,389,581.64/55,555.40
  6. Step 6: Final answer
    x = 33,343.11

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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.