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Finding the Fourth Proportional to 46,943, 64,781.34 and 25,722.32

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Solution

The fourth proportional to 46,943, 64,781.34 and 25,722.32 is: 35,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,943 : 64,781.34 = 25,722.32 : x
  2. Step 2: Convert to fraction form
    46,943/64,781.34 = 25,722.32/x
  3. Step 3: Cross multiply
    46,943x = 64,781.34 × 25,722.32
  4. Step 4: Simplify right side
    46,943x = 1,666,326,357.51
  5. Step 5: Solve for x
    x = 1,666,326,357.51/46,943
  6. Step 6: Final answer
    x = 35,496.80

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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.