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Finding the Fourth Proportional to 4,784.68, 6,602.52 and 2,689.12

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Solution

The fourth proportional to 4,784.68, 6,602.52 and 2,689.12 is: 3,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784.68 : 6,602.52 = 2,689.12 : x
  2. Step 2: Convert to fraction form
    4,784.68/6,602.52 = 2,689.12/x
  3. Step 3: Cross multiply
    4,784.68x = 6,602.52 × 2,689.12
  4. Step 4: Simplify right side
    4,784.68x = 17,754,968.58
  5. Step 5: Solve for x
    x = 17,754,968.58/4,784.68
  6. Step 6: Final answer
    x = 3,710.80

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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.