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Finding the Fourth Proportional to 35,457.68, 53,174.64 and 17,916.32

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Solution

The fourth proportional to 35,457.68, 53,174.64 and 17,916.32 is: 26,868.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,457.68 : 53,174.64 = 17,916.32 : x
  2. Step 2: Convert to fraction form
    35,457.68/53,174.64 = 17,916.32/x
  3. Step 3: Cross multiply
    35,457.68x = 53,174.64 × 17,916.32
  4. Step 4: Simplify right side
    35,457.68x = 952,693,866.12
  5. Step 5: Solve for x
    x = 952,693,866.12/35,457.68
  6. Step 6: Final answer
    x = 26,868.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.