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Finding the Fourth Proportional to 10,510.47, 14,503.86 and 6,531.48

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Solution

The fourth proportional to 10,510.47, 14,503.86 and 6,531.48 is: 9,013.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,510.47 : 14,503.86 = 6,531.48 : x
  2. Step 2: Convert to fraction form
    10,510.47/14,503.86 = 6,531.48/x
  3. Step 3: Cross multiply
    10,510.47x = 14,503.86 × 6,531.48
  4. Step 4: Simplify right side
    10,510.47x = 94,731,671.51
  5. Step 5: Solve for x
    x = 94,731,671.51/10,510.47
  6. Step 6: Final answer
    x = 9,013.08

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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.