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Finding the Fourth Proportional to 55,577.61, 83,366.63 and 13,457.63

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Solution

The fourth proportional to 55,577.61, 83,366.63 and 13,457.63 is: 20,186.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,577.61 : 83,366.63 = 13,457.63 : x
  2. Step 2: Convert to fraction form
    55,577.61/83,366.63 = 13,457.63/x
  3. Step 3: Cross multiply
    55,577.61x = 83,366.63 × 13,457.63
  4. Step 4: Simplify right side
    55,577.61x = 1,121,916,776.77
  5. Step 5: Solve for x
    x = 1,121,916,776.77/55,577.61
  6. Step 6: Final answer
    x = 20,186.49

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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.