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Finding the Fourth Proportional to 40,030.52, 60,045.77 and 10,448.09

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Solution

The fourth proportional to 40,030.52, 60,045.77 and 10,448.09 is: 15,672.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,030.52 : 60,045.77 = 10,448.09 : x
  2. Step 2: Convert to fraction form
    40,030.52/60,045.77 = 10,448.09/x
  3. Step 3: Cross multiply
    40,030.52x = 60,045.77 × 10,448.09
  4. Step 4: Simplify right side
    40,030.52x = 627,363,785.31
  5. Step 5: Solve for x
    x = 627,363,785.31/40,030.52
  6. Step 6: Final answer
    x = 15,672.14

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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.