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Finding the Fourth Proportional to 35,175.58, 52,746.36 and 12,999.40

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Solution

The fourth proportional to 35,175.58, 52,746.36 and 12,999.40 is: 19,492.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,175.58 : 52,746.36 = 12,999.40 : x
  2. Step 2: Convert to fraction form
    35,175.58/52,746.36 = 12,999.40/x
  3. Step 3: Cross multiply
    35,175.58x = 52,746.36 × 12,999.40
  4. Step 4: Simplify right side
    35,175.58x = 685,671,032.18
  5. Step 5: Solve for x
    x = 685,671,032.18/35,175.58
  6. Step 6: Final answer
    x = 19,492.81

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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.