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Finding the Fourth Proportional to 35,655.71, 49,206.49 and 19,740.16

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Solution

The fourth proportional to 35,655.71, 49,206.49 and 19,740.16 is: 27,242.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,655.71 : 49,206.49 = 19,740.16 : x
  2. Step 2: Convert to fraction form
    35,655.71/49,206.49 = 19,740.16/x
  3. Step 3: Cross multiply
    35,655.71x = 49,206.49 × 19,740.16
  4. Step 4: Simplify right side
    35,655.71x = 971,343,739.61
  5. Step 5: Solve for x
    x = 971,343,739.61/35,655.71
  6. Step 6: Final answer
    x = 27,242.31

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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.