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Finding the Fourth Proportional to 46,681, 64,473.52 and 33,990.92

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Solution

The fourth proportional to 46,681, 64,473.52 and 33,990.92 is: 46,946.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,681 : 64,473.52 = 33,990.92 : x
  2. Step 2: Convert to fraction form
    46,681/64,473.52 = 33,990.92/x
  3. Step 3: Cross multiply
    46,681x = 64,473.52 × 33,990.92
  4. Step 4: Simplify right side
    46,681x = 2,191,514,260.44
  5. Step 5: Solve for x
    x = 2,191,514,260.44/46,681
  6. Step 6: Final answer
    x = 46,946.60

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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.