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Finding the Fourth Proportional to 46,708.71, 64,457.42 and 25,487.61

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Solution

The fourth proportional to 46,708.71, 64,457.42 and 25,487.61 is: 35,172.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,708.71 : 64,457.42 = 25,487.61 : x
  2. Step 2: Convert to fraction form
    46,708.71/64,457.42 = 25,487.61/x
  3. Step 3: Cross multiply
    46,708.71x = 64,457.42 × 25,487.61
  4. Step 4: Simplify right side
    46,708.71x = 1,642,865,455.13
  5. Step 5: Solve for x
    x = 1,642,865,455.13/46,708.71
  6. Step 6: Final answer
    x = 35,172.57

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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.