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Finding the Fourth Proportional to 61,602.61, 92,403.36 and 19,482.72

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Solution

The fourth proportional to 61,602.61, 92,403.36 and 19,482.72 is: 29,223.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,602.61 : 92,403.36 = 19,482.72 : x
  2. Step 2: Convert to fraction form
    61,602.61/92,403.36 = 19,482.72/x
  3. Step 3: Cross multiply
    61,602.61x = 92,403.36 × 19,482.72
  4. Step 4: Simplify right side
    61,602.61x = 1,800,269,209.51
  5. Step 5: Solve for x
    x = 1,800,269,209.51/61,602.61
  6. Step 6: Final answer
    x = 29,223.91

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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.