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Finding the Fourth Proportional to 1,586.94, 2,189.98 and 924.17

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Solution

The fourth proportional to 1,586.94, 2,189.98 and 924.17 is: 1,275.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586.94 : 2,189.98 = 924.17 : x
  2. Step 2: Convert to fraction form
    1,586.94/2,189.98 = 924.17/x
  3. Step 3: Cross multiply
    1,586.94x = 2,189.98 × 924.17
  4. Step 4: Simplify right side
    1,586.94x = 2,023,913.82
  5. Step 5: Solve for x
    x = 2,023,913.82/1,586.94
  6. Step 6: Final answer
    x = 1,275.36

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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.