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Finding the Fourth Proportional to 46,915.89, 64,741.52 and 25,694.70

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Solution

The fourth proportional to 46,915.89, 64,741.52 and 25,694.70 is: 35,457.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,915.89 : 64,741.52 = 25,694.70 : x
  2. Step 2: Convert to fraction form
    46,915.89/64,741.52 = 25,694.70/x
  3. Step 3: Cross multiply
    46,915.89x = 64,741.52 × 25,694.70
  4. Step 4: Simplify right side
    46,915.89x = 1,663,513,805.47
  5. Step 5: Solve for x
    x = 1,663,513,805.47/46,915.89
  6. Step 6: Final answer
    x = 35,457.36

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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.