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Finding the Fourth Proportional to 58,702.64, 88,064.92 and 19,271.04

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Solution

The fourth proportional to 58,702.64, 88,064.92 and 19,271.04 is: 28,910.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,702.64 : 88,064.92 = 19,271.04 : x
  2. Step 2: Convert to fraction form
    58,702.64/88,064.92 = 19,271.04/x
  3. Step 3: Cross multiply
    58,702.64x = 88,064.92 × 19,271.04
  4. Step 4: Simplify right side
    58,702.64x = 1,697,102,595.92
  5. Step 5: Solve for x
    x = 1,697,102,595.92/58,702.64
  6. Step 6: Final answer
    x = 28,910.16

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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.