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Finding the Fourth Proportional to 54,890.82, 75,803.16 and 46,886.40

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Solution

The fourth proportional to 54,890.82, 75,803.16 and 46,886.40 is: 64,749.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,890.82 : 75,803.16 = 46,886.40 : x
  2. Step 2: Convert to fraction form
    54,890.82/75,803.16 = 46,886.40/x
  3. Step 3: Cross multiply
    54,890.82x = 75,803.16 × 46,886.40
  4. Step 4: Simplify right side
    54,890.82x = 3,554,137,281.02
  5. Step 5: Solve for x
    x = 3,554,137,281.02/54,890.82
  6. Step 6: Final answer
    x = 64,749.21

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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.