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Finding the Fourth Proportional to 27,030.43, 40,545.51 and 7,308.91

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Solution

The fourth proportional to 27,030.43, 40,545.51 and 7,308.91 is: 10,963.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,030.43 : 40,545.51 = 7,308.91 : x
  2. Step 2: Convert to fraction form
    27,030.43/40,545.51 = 7,308.91/x
  3. Step 3: Cross multiply
    27,030.43x = 40,545.51 × 7,308.91
  4. Step 4: Simplify right side
    27,030.43x = 296,343,483.49
  5. Step 5: Solve for x
    x = 296,343,483.49/27,030.43
  6. Step 6: Final answer
    x = 10,963.33

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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.