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Finding the Fourth Proportional to 44,298, 66,457.94 and 13,133.25

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Solution

The fourth proportional to 44,298, 66,457.94 and 13,133.25 is: 19,703.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,298 : 66,457.94 = 13,133.25 : x
  2. Step 2: Convert to fraction form
    44,298/66,457.94 = 13,133.25/x
  3. Step 3: Cross multiply
    44,298x = 66,457.94 × 13,133.25
  4. Step 4: Simplify right side
    44,298x = 872,808,674.84
  5. Step 5: Solve for x
    x = 872,808,674.84/44,298
  6. Step 6: Final answer
    x = 19,703.12

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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.