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Finding the Fourth Proportional to 1,670.12, 2,304.75 and 924.06

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Solution

The fourth proportional to 1,670.12, 2,304.75 and 924.06 is: 1,275.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670.12 : 2,304.75 = 924.06 : x
  2. Step 2: Convert to fraction form
    1,670.12/2,304.75 = 924.06/x
  3. Step 3: Cross multiply
    1,670.12x = 2,304.75 × 924.06
  4. Step 4: Simplify right side
    1,670.12x = 2,129,726.43
  5. Step 5: Solve for x
    x = 2,129,726.43/1,670.12
  6. Step 6: Final answer
    x = 1,275.19

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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.