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Finding the Fourth Proportional to 61,992.84, 85,547.28 and 35,133.76

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Solution

The fourth proportional to 61,992.84, 85,547.28 and 35,133.76 is: 48,482.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,992.84 : 85,547.28 = 35,133.76 : x
  2. Step 2: Convert to fraction form
    61,992.84/85,547.28 = 35,133.76/x
  3. Step 3: Cross multiply
    61,992.84x = 85,547.28 × 35,133.76
  4. Step 4: Simplify right side
    61,992.84x = 3,005,597,604.17
  5. Step 5: Solve for x
    x = 3,005,597,604.17/61,992.84
  6. Step 6: Final answer
    x = 48,482.98

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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.