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Finding the Fourth Proportional to 2,886.76, 4,307.46 and 2,710.43

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Solution

The fourth proportional to 2,886.76, 4,307.46 and 2,710.43 is: 4,044.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.76 : 4,307.46 = 2,710.43 : x
  2. Step 2: Convert to fraction form
    2,886.76/4,307.46 = 2,710.43/x
  3. Step 3: Cross multiply
    2,886.76x = 4,307.46 × 2,710.43
  4. Step 4: Simplify right side
    2,886.76x = 11,675,068.51
  5. Step 5: Solve for x
    x = 11,675,068.51/2,886.76
  6. Step 6: Final answer
    x = 4,044.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.