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Finding the Fourth Proportional to 10,589.68, 14,602.52 and 7,888.76

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Solution

The fourth proportional to 10,589.68, 14,602.52 and 7,888.76 is: 10,878.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,589.68 : 14,602.52 = 7,888.76 : x
  2. Step 2: Convert to fraction form
    10,589.68/14,602.52 = 7,888.76/x
  3. Step 3: Cross multiply
    10,589.68x = 14,602.52 × 7,888.76
  4. Step 4: Simplify right side
    10,589.68x = 115,195,775.68
  5. Step 5: Solve for x
    x = 115,195,775.68/10,589.68
  6. Step 6: Final answer
    x = 10,878.12

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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.