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Finding the Fourth Proportional to 45,528, 62,828.64 and 25,656

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Solution

The fourth proportional to 45,528, 62,828.64 and 25,656 is: 35,405.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,528 : 62,828.64 = 25,656 : x
  2. Step 2: Convert to fraction form
    45,528/62,828.64 = 25,656/x
  3. Step 3: Cross multiply
    45,528x = 62,828.64 × 25,656
  4. Step 4: Simplify right side
    45,528x = 1,611,931,587.84
  5. Step 5: Solve for x
    x = 1,611,931,587.84/45,528
  6. Step 6: Final answer
    x = 35,405.28

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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.