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Finding the Fourth Proportional to 53,486.68, 80,224.08 and 14,048.32

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Solution

The fourth proportional to 53,486.68, 80,224.08 and 14,048.32 is: 21,070.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,486.68 : 80,224.08 = 14,048.32 : x
  2. Step 2: Convert to fraction form
    53,486.68/80,224.08 = 14,048.32/x
  3. Step 3: Cross multiply
    53,486.68x = 80,224.08 × 14,048.32
  4. Step 4: Simplify right side
    53,486.68x = 1,127,013,547.55
  5. Step 5: Solve for x
    x = 1,127,013,547.55/53,486.68
  6. Step 6: Final answer
    x = 21,070.92

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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.