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Finding the Fourth Proportional to 58,681, 80,979.90 and 33,530.44

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Solution

The fourth proportional to 58,681, 80,979.90 and 33,530.44 is: 46,272.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,681 : 80,979.90 = 33,530.44 : x
  2. Step 2: Convert to fraction form
    58,681/80,979.90 = 33,530.44/x
  3. Step 3: Cross multiply
    58,681x = 80,979.90 × 33,530.44
  4. Step 4: Simplify right side
    58,681x = 2,715,291,678.16
  5. Step 5: Solve for x
    x = 2,715,291,678.16/58,681
  6. Step 6: Final answer
    x = 46,272.08

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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.