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Finding the Fourth Proportional to 1,588.05, 2,191.46 and 924.80

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Solution

The fourth proportional to 1,588.05, 2,191.46 and 924.80 is: 1,276.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.05 : 2,191.46 = 924.80 : x
  2. Step 2: Convert to fraction form
    1,588.05/2,191.46 = 924.80/x
  3. Step 3: Cross multiply
    1,588.05x = 2,191.46 × 924.80
  4. Step 4: Simplify right side
    1,588.05x = 2,026,646.63
  5. Step 5: Solve for x
    x = 2,026,646.63/1,588.05
  6. Step 6: Final answer
    x = 1,276.19

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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.