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Finding the Fourth Proportional to 65,549.99, 98,250.65 and 57,637.23

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Solution

The fourth proportional to 65,549.99, 98,250.65 and 57,637.23 is: 86,390.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,549.99 : 98,250.65 = 57,637.23 : x
  2. Step 2: Convert to fraction form
    65,549.99/98,250.65 = 57,637.23/x
  3. Step 3: Cross multiply
    65,549.99x = 98,250.65 × 57,637.23
  4. Step 4: Simplify right side
    65,549.99x = 5,662,895,023.51
  5. Step 5: Solve for x
    x = 5,662,895,023.51/65,549.99
  6. Step 6: Final answer
    x = 86,390.49

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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.