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Finding the Fourth Proportional to 1,033.02, 1,425.54 and 607.62

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Solution

The fourth proportional to 1,033.02, 1,425.54 and 607.62 is: 838.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.02 : 1,425.54 = 607.62 : x
  2. Step 2: Convert to fraction form
    1,033.02/1,425.54 = 607.62/x
  3. Step 3: Cross multiply
    1,033.02x = 1,425.54 × 607.62
  4. Step 4: Simplify right side
    1,033.02x = 866,186.61
  5. Step 5: Solve for x
    x = 866,186.61/1,033.02
  6. Step 6: Final answer
    x = 838.50

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Half scale
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Double scale
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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.