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Finding the Fourth Proportional to 35,509.68, 53,247.24 and 18,877.68

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Solution

The fourth proportional to 35,509.68, 53,247.24 and 18,877.68 is: 28,307.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,509.68 : 53,247.24 = 18,877.68 : x
  2. Step 2: Convert to fraction form
    35,509.68/53,247.24 = 18,877.68/x
  3. Step 3: Cross multiply
    35,509.68x = 53,247.24 × 18,877.68
  4. Step 4: Simplify right side
    35,509.68x = 1,005,184,357.60
  5. Step 5: Solve for x
    x = 1,005,184,357.60/35,509.68
  6. Step 6: Final answer
    x = 28,307.33

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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.