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Finding the Fourth Proportional to 32,648.09, 45,057.09 and 18,307.69

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Solution

The fourth proportional to 32,648.09, 45,057.09 and 18,307.69 is: 25,266.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,648.09 : 45,057.09 = 18,307.69 : x
  2. Step 2: Convert to fraction form
    32,648.09/45,057.09 = 18,307.69/x
  3. Step 3: Cross multiply
    32,648.09x = 45,057.09 × 18,307.69
  4. Step 4: Simplify right side
    32,648.09x = 824,891,123.38
  5. Step 5: Solve for x
    x = 824,891,123.38/32,648.09
  6. Step 6: Final answer
    x = 25,266.14

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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.