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Finding the Fourth Proportional to 7,011.54, 10,510.20 and 4,547.93

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Solution

The fourth proportional to 7,011.54, 10,510.20 and 4,547.93 is: 6,817.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011.54 : 10,510.20 = 4,547.93 : x
  2. Step 2: Convert to fraction form
    7,011.54/10,510.20 = 4,547.93/x
  3. Step 3: Cross multiply
    7,011.54x = 10,510.20 × 4,547.93
  4. Step 4: Simplify right side
    7,011.54x = 47,799,601.34
  5. Step 5: Solve for x
    x = 47,799,601.34/7,011.54
  6. Step 6: Final answer
    x = 6,817.28

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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.