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Finding the Fourth Proportional to 46,941, 64,778.60 and 25,721.08

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Solution

The fourth proportional to 46,941, 64,778.60 and 25,721.08 is: 35,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,941 : 64,778.60 = 25,721.08 : x
  2. Step 2: Convert to fraction form
    46,941/64,778.60 = 25,721.08/x
  3. Step 3: Cross multiply
    46,941x = 64,778.60 × 25,721.08
  4. Step 4: Simplify right side
    46,941x = 1,666,175,552.89
  5. Step 5: Solve for x
    x = 1,666,175,552.89/46,941
  6. Step 6: Final answer
    x = 35,495.10

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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.