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Finding the Fourth Proportional to 58,720.77, 88,080.80 and 14,347.76

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Solution

The fourth proportional to 58,720.77, 88,080.80 and 14,347.76 is: 21,521.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,720.77 : 88,080.80 = 14,347.76 : x
  2. Step 2: Convert to fraction form
    58,720.77/88,080.80 = 14,347.76/x
  3. Step 3: Cross multiply
    58,720.77x = 88,080.80 × 14,347.76
  4. Step 4: Simplify right side
    58,720.77x = 1,263,761,666.87
  5. Step 5: Solve for x
    x = 1,263,761,666.87/58,720.77
  6. Step 6: Final answer
    x = 21,521.54

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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.