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Finding the Fourth Proportional to 973.04, 1,466.18 and 886.64

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Solution

The fourth proportional to 973.04, 1,466.18 and 886.64 is: 1,335.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    973.04 : 1,466.18 = 886.64 : x
  2. Step 2: Convert to fraction form
    973.04/1,466.18 = 886.64/x
  3. Step 3: Cross multiply
    973.04x = 1,466.18 × 886.64
  4. Step 4: Simplify right side
    973.04x = 1,299,973.84
  5. Step 5: Solve for x
    x = 1,299,973.84/973.04
  6. Step 6: Final answer
    x = 1,335.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.