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Finding the Fourth Proportional to 35,779.48, 53,665.57 and 9,486.88

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Solution

The fourth proportional to 35,779.48, 53,665.57 and 9,486.88 is: 14,229.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,779.48 : 53,665.57 = 9,486.88 : x
  2. Step 2: Convert to fraction form
    35,779.48/53,665.57 = 9,486.88/x
  3. Step 3: Cross multiply
    35,779.48x = 53,665.57 × 9,486.88
  4. Step 4: Simplify right side
    35,779.48x = 509,118,822.72
  5. Step 5: Solve for x
    x = 509,118,822.72/35,779.48
  6. Step 6: Final answer
    x = 14,229.35

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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.