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Finding the Fourth Proportional to 35,693.88, 49,267.70 and 21,547.64

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Solution

The fourth proportional to 35,693.88, 49,267.70 and 21,547.64 is: 29,741.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,693.88 : 49,267.70 = 21,547.64 : x
  2. Step 2: Convert to fraction form
    35,693.88/49,267.70 = 21,547.64/x
  3. Step 3: Cross multiply
    35,693.88x = 49,267.70 × 21,547.64
  4. Step 4: Simplify right side
    35,693.88x = 1,061,602,309.15
  5. Step 5: Solve for x
    x = 1,061,602,309.15/35,693.88
  6. Step 6: Final answer
    x = 29,741.86

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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.