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Finding the Fourth Proportional to 61,477.40, 92,216.10 and 19,924.40

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Solution

The fourth proportional to 61,477.40, 92,216.10 and 19,924.40 is: 29,886.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,477.40 : 92,216.10 = 19,924.40 : x
  2. Step 2: Convert to fraction form
    61,477.40/92,216.10 = 19,924.40/x
  3. Step 3: Cross multiply
    61,477.40x = 92,216.10 × 19,924.40
  4. Step 4: Simplify right side
    61,477.40x = 1,837,350,462.84
  5. Step 5: Solve for x
    x = 1,837,350,462.84/61,477.40
  6. Step 6: Final answer
    x = 29,886.60

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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.