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Finding the Fourth Proportional to 1,733.34, 2,392.02 and 947.40

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Solution

The fourth proportional to 1,733.34, 2,392.02 and 947.40 is: 1,307.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,733.34 : 2,392.02 = 947.40 : x
  2. Step 2: Convert to fraction form
    1,733.34/2,392.02 = 947.40/x
  3. Step 3: Cross multiply
    1,733.34x = 2,392.02 × 947.40
  4. Step 4: Simplify right side
    1,733.34x = 2,266,199.75
  5. Step 5: Solve for x
    x = 2,266,199.75/1,733.34
  6. Step 6: Final answer
    x = 1,307.42

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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.