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Finding the Fourth Proportional to 46,688.88, 64,428.68 and 25,466.88

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Solution

The fourth proportional to 46,688.88, 64,428.68 and 25,466.88 is: 35,143.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,688.88 : 64,428.68 = 25,466.88 : x
  2. Step 2: Convert to fraction form
    46,688.88/64,428.68 = 25,466.88/x
  3. Step 3: Cross multiply
    46,688.88x = 64,428.68 × 25,466.88
  4. Step 4: Simplify right side
    46,688.88x = 1,640,797,462.12
  5. Step 5: Solve for x
    x = 1,640,797,462.12/46,688.88
  6. Step 6: Final answer
    x = 35,143.22

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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.