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Finding the Fourth Proportional to 19,598.51, 29,407.81 and 9,603.06

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Solution

The fourth proportional to 19,598.51, 29,407.81 and 9,603.06 is: 14,409.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,598.51 : 29,407.81 = 9,603.06 : x
  2. Step 2: Convert to fraction form
    19,598.51/29,407.81 = 9,603.06/x
  3. Step 3: Cross multiply
    19,598.51x = 29,407.81 × 9,603.06
  4. Step 4: Simplify right side
    19,598.51x = 282,404,963.90
  5. Step 5: Solve for x
    x = 282,404,963.90/19,598.51
  6. Step 6: Final answer
    x = 14,409.51

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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.