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Finding the Fourth Proportional to 61,603.65, 85,014.27 and 34,740.90

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Solution

The fourth proportional to 61,603.65, 85,014.27 and 34,740.90 is: 47,943.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,603.65 : 85,014.27 = 34,740.90 : x
  2. Step 2: Convert to fraction form
    61,603.65/85,014.27 = 34,740.90/x
  3. Step 3: Cross multiply
    61,603.65x = 85,014.27 × 34,740.90
  4. Step 4: Simplify right side
    61,603.65x = 2,953,472,252.64
  5. Step 5: Solve for x
    x = 2,953,472,252.64/61,603.65
  6. Step 6: Final answer
    x = 47,943.14

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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.