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Finding the Fourth Proportional to 46,700.88, 64,447 and 25,480.08

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Solution

The fourth proportional to 46,700.88, 64,447 and 25,480.08 is: 35,162.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,700.88 : 64,447 = 25,480.08 : x
  2. Step 2: Convert to fraction form
    46,700.88/64,447 = 25,480.08/x
  3. Step 3: Cross multiply
    46,700.88x = 64,447 × 25,480.08
  4. Step 4: Simplify right side
    46,700.88x = 1,642,114,715.76
  5. Step 5: Solve for x
    x = 1,642,114,715.76/46,700.88
  6. Step 6: Final answer
    x = 35,162.39

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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.