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Finding the Fourth Proportional to 1,064.16, 1,466.21 and 714.24

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Solution

The fourth proportional to 1,064.16, 1,466.21 and 714.24 is: 984.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064.16 : 1,466.21 = 714.24 : x
  2. Step 2: Convert to fraction form
    1,064.16/1,466.21 = 714.24/x
  3. Step 3: Cross multiply
    1,064.16x = 1,466.21 × 714.24
  4. Step 4: Simplify right side
    1,064.16x = 1,047,222.26
  5. Step 5: Solve for x
    x = 1,047,222.26/1,064.16
  6. Step 6: Final answer
    x = 984.08

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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.