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Finding the Fourth Proportional to 10,813.53, 14,925.06 and 7,030.11

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Solution

The fourth proportional to 10,813.53, 14,925.06 and 7,030.11 is: 9,703.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,813.53 : 14,925.06 = 7,030.11 : x
  2. Step 2: Convert to fraction form
    10,813.53/14,925.06 = 7,030.11/x
  3. Step 3: Cross multiply
    10,813.53x = 14,925.06 × 7,030.11
  4. Step 4: Simplify right side
    10,813.53x = 104,924,813.56
  5. Step 5: Solve for x
    x = 104,924,813.56/10,813.53
  6. Step 6: Final answer
    x = 9,703.10

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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.