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Finding the Fourth Proportional to 46,720.68, 64,471.80 and 25,495.68

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Solution

The fourth proportional to 46,720.68, 64,471.80 and 25,495.68 is: 35,182.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,720.68 : 64,471.80 = 25,495.68 : x
  2. Step 2: Convert to fraction form
    46,720.68/64,471.80 = 25,495.68/x
  3. Step 3: Cross multiply
    46,720.68x = 64,471.80 × 25,495.68
  4. Step 4: Simplify right side
    46,720.68x = 1,643,752,381.82
  5. Step 5: Solve for x
    x = 1,643,752,381.82/46,720.68
  6. Step 6: Final answer
    x = 35,182.54

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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.