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Finding the Fourth Proportional to 63,048.69, 87,008.22 and 34,368.03

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Solution

The fourth proportional to 63,048.69, 87,008.22 and 34,368.03 is: 47,428.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,048.69 : 87,008.22 = 34,368.03 : x
  2. Step 2: Convert to fraction form
    63,048.69/87,008.22 = 34,368.03/x
  3. Step 3: Cross multiply
    63,048.69x = 87,008.22 × 34,368.03
  4. Step 4: Simplify right side
    63,048.69x = 2,990,301,115.21
  5. Step 5: Solve for x
    x = 2,990,301,115.21/63,048.69
  6. Step 6: Final answer
    x = 47,428.44

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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.