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Finding the Fourth Proportional to 55,693.40, 83,467.20 and 22,386.20

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Solution

The fourth proportional to 55,693.40, 83,467.20 and 22,386.20 is: 33,550.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,693.40 : 83,467.20 = 22,386.20 : x
  2. Step 2: Convert to fraction form
    55,693.40/83,467.20 = 22,386.20/x
  3. Step 3: Cross multiply
    55,693.40x = 83,467.20 × 22,386.20
  4. Step 4: Simplify right side
    55,693.40x = 1,868,513,432.64
  5. Step 5: Solve for x
    x = 1,868,513,432.64/55,693.40
  6. Step 6: Final answer
    x = 33,550.00

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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.