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Finding the Fourth Proportional to 25,038.63, 34,552.04 and 13,706.06

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Solution

The fourth proportional to 25,038.63, 34,552.04 and 13,706.06 is: 18,913.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,038.63 : 34,552.04 = 13,706.06 : x
  2. Step 2: Convert to fraction form
    25,038.63/34,552.04 = 13,706.06/x
  3. Step 3: Cross multiply
    25,038.63x = 34,552.04 × 13,706.06
  4. Step 4: Simplify right side
    25,038.63x = 473,572,092.07
  5. Step 5: Solve for x
    x = 473,572,092.07/25,038.63
  6. Step 6: Final answer
    x = 18,913.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.