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Finding the Fourth Proportional to 35,686.26, 53,530.02 and 13,510.08

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Solution

The fourth proportional to 35,686.26, 53,530.02 and 13,510.08 is: 20,265.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,686.26 : 53,530.02 = 13,510.08 : x
  2. Step 2: Convert to fraction form
    35,686.26/53,530.02 = 13,510.08/x
  3. Step 3: Cross multiply
    35,686.26x = 53,530.02 × 13,510.08
  4. Step 4: Simplify right side
    35,686.26x = 723,194,852.60
  5. Step 5: Solve for x
    x = 723,194,852.60/35,686.26
  6. Step 6: Final answer
    x = 20,265.36

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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.