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Finding the Fourth Proportional to 45,391.84, 68,064.72 and 17,307.52

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Solution

The fourth proportional to 45,391.84, 68,064.72 and 17,307.52 is: 25,952.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,391.84 : 68,064.72 = 17,307.52 : x
  2. Step 2: Convert to fraction form
    45,391.84/68,064.72 = 17,307.52/x
  3. Step 3: Cross multiply
    45,391.84x = 68,064.72 × 17,307.52
  4. Step 4: Simplify right side
    45,391.84x = 1,178,031,502.69
  5. Step 5: Solve for x
    x = 1,178,031,502.69/45,391.84
  6. Step 6: Final answer
    x = 25,952.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.