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Finding the Fourth Proportional to 35,346.72, 53,018.70 and 11,973.16

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Solution

The fourth proportional to 35,346.72, 53,018.70 and 11,973.16 is: 17,959.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,346.72 : 53,018.70 = 11,973.16 : x
  2. Step 2: Convert to fraction form
    35,346.72/53,018.70 = 11,973.16/x
  3. Step 3: Cross multiply
    35,346.72x = 53,018.70 × 11,973.16
  4. Step 4: Simplify right side
    35,346.72x = 634,801,378.09
  5. Step 5: Solve for x
    x = 634,801,378.09/35,346.72
  6. Step 6: Final answer
    x = 17,959.27

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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.