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Finding the Fourth Proportional to 35,407.72, 53,110.62 and 10,783.72

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Solution

The fourth proportional to 35,407.72, 53,110.62 and 10,783.72 is: 16,175.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,407.72 : 53,110.62 = 10,783.72 : x
  2. Step 2: Convert to fraction form
    35,407.72/53,110.62 = 10,783.72/x
  3. Step 3: Cross multiply
    35,407.72x = 53,110.62 × 10,783.72
  4. Step 4: Simplify right side
    35,407.72x = 572,730,055.11
  5. Step 5: Solve for x
    x = 572,730,055.11/35,407.72
  6. Step 6: Final answer
    x = 16,175.29

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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.