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Finding the Fourth Proportional to 15,707,547.60, 23,561,321.40 and 15,441,827.10

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Solution

The fourth proportional to 15,707,547.60, 23,561,321.40 and 15,441,827.10 is: 23,162,740.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,707,547.60 : 23,561,321.40 = 15,441,827.10 : x
  2. Step 2: Convert to fraction form
    15,707,547.60/23,561,321.40 = 15,441,827.10/x
  3. Step 3: Cross multiply
    15,707,547.60x = 23,561,321.40 × 15,441,827.10
  4. Step 4: Simplify right side
    15,707,547.60x = 363,829,851,306,329.94
  5. Step 5: Solve for x
    x = 363,829,851,306,329.94/15,707,547.60
  6. Step 6: Final answer
    x = 23,162,740.65

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Double scale
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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.