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Finding the Fourth Proportional to 7,465.55, 10,300.71 and 6,275.06

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Solution

The fourth proportional to 7,465.55, 10,300.71 and 6,275.06 is: 8,658.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,465.55 : 10,300.71 = 6,275.06 : x
  2. Step 2: Convert to fraction form
    7,465.55/10,300.71 = 6,275.06/x
  3. Step 3: Cross multiply
    7,465.55x = 10,300.71 × 6,275.06
  4. Step 4: Simplify right side
    7,465.55x = 64,637,573.29
  5. Step 5: Solve for x
    x = 64,637,573.29/7,465.55
  6. Step 6: Final answer
    x = 8,658.11

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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.