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Finding the Fourth Proportional to 6,877.94, 9,488.93 and 4,045.41

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Solution

The fourth proportional to 6,877.94, 9,488.93 and 4,045.41 is: 5,581.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,877.94 : 9,488.93 = 4,045.41 : x
  2. Step 2: Convert to fraction form
    6,877.94/9,488.93 = 4,045.41/x
  3. Step 3: Cross multiply
    6,877.94x = 9,488.93 × 4,045.41
  4. Step 4: Simplify right side
    6,877.94x = 38,386,592.08
  5. Step 5: Solve for x
    x = 38,386,592.08/6,877.94
  6. Step 6: Final answer
    x = 5,581.12

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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.