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Finding the Fourth Proportional to 54,618.02, 75,378.54 and 33,411.40

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Solution

The fourth proportional to 54,618.02, 75,378.54 and 33,411.40 is: 46,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,618.02 : 75,378.54 = 33,411.40 : x
  2. Step 2: Convert to fraction form
    54,618.02/75,378.54 = 33,411.40/x
  3. Step 3: Cross multiply
    54,618.02x = 75,378.54 × 33,411.40
  4. Step 4: Simplify right side
    54,618.02x = 2,518,502,551.36
  5. Step 5: Solve for x
    x = 2,518,502,551.36/54,618.02
  6. Step 6: Final answer
    x = 46,111.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.