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Finding the Fourth Proportional to 1,511.84, 2,265.91 and 924.99

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Solution

The fourth proportional to 1,511.84, 2,265.91 and 924.99 is: 1,386.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.84 : 2,265.91 = 924.99 : x
  2. Step 2: Convert to fraction form
    1,511.84/2,265.91 = 924.99/x
  3. Step 3: Cross multiply
    1,511.84x = 2,265.91 × 924.99
  4. Step 4: Simplify right side
    1,511.84x = 2,095,944.09
  5. Step 5: Solve for x
    x = 2,095,944.09/1,511.84
  6. Step 6: Final answer
    x = 1,386.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.