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Finding the Fourth Proportional to 35,312.51, 48,731.56 and 19,397.32

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Solution

The fourth proportional to 35,312.51, 48,731.56 and 19,397.32 is: 26,768.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,312.51 : 48,731.56 = 19,397.32 : x
  2. Step 2: Convert to fraction form
    35,312.51/48,731.56 = 19,397.32/x
  3. Step 3: Cross multiply
    35,312.51x = 48,731.56 × 19,397.32
  4. Step 4: Simplify right side
    35,312.51x = 945,261,493.10
  5. Step 5: Solve for x
    x = 945,261,493.10/35,312.51
  6. Step 6: Final answer
    x = 26,768.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.