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Finding the Fourth Proportional to 53,510.61, 80,259.54 and 14,070.80

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Solution

The fourth proportional to 53,510.61, 80,259.54 and 14,070.80 is: 21,104.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,510.61 : 80,259.54 = 14,070.80 : x
  2. Step 2: Convert to fraction form
    53,510.61/80,259.54 = 14,070.80/x
  3. Step 3: Cross multiply
    53,510.61x = 80,259.54 × 14,070.80
  4. Step 4: Simplify right side
    53,510.61x = 1,129,315,534.13
  5. Step 5: Solve for x
    x = 1,129,315,534.13/53,510.61
  6. Step 6: Final answer
    x = 21,104.52

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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.